(Tìm kiếm với Modal Popup trong Asp.net) – Trong các Form nhập dữ liệu, để tìm kiếm và chọn nhanh thông tin từ bảng dữ liệu khác, các lập trình viên thường sử dụng 1 trong 2 cách đó là: Autocomplete hoặc Popup. Mỗi cách sử dụng có những ưu nhược điểm khác nhau, với Autocomplete người sử dụng không phải mất thêm nhiều thao tác kích để chọn dữ liệu, nhưng với dữ liệu có nhiều tiêu chí để tìm thì phải sử dụng Popup. Với Popup người sử dụng sẽ mất thêm thao tác nhưng khi cần nhiều tiêu chí để tìm kiếm chính xác dữ liệu thì Popup sẽ giúp người lập trình giải quyết được vấn đề này. Trong bài viết này, thủ thuật tin học sẽ hướng dẫn các bạn cách sử dụng ASP.Net AJAX Control Toolkit ModalPopupExtender kết hợp với các thuộc tính css của bootstrap để tạo Popup trong asp.net. Popup này sẽ có chức năng tìm kiếm dữ liệu một cách nhanh chóng, thuận tiện và dễ dàng.

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Code Example C#, Code Example VB.NET
Code Example C#, Code Example VB.NET



B1: Tạo CSDL Customers trong SQL Server

B2: Tạo Bảng Accounts có cấu trúc phía dưới

STTTên trườngKiểu trườngGhi chú
1AccountIDIntTrường tự tăng
2AccountCodenvarchar(25)
3AccNamenvarchar(250)
4AccAddressnvarchar(250)
5AccPhonenvarchar(50)
6AccFAXnvarchar(50)
7AccEmailnvarchar(50)
8AccWebsitenvarchar(150)
9AccDescnvarchar(1500)
10CreatedDatedatetime
11ModifiedDatedatetime


- B3: Tạo Bảng Contacts có cấu trúc phía dưới

STTTên trườngKiểu trườngGhi chú
1ContactIDIntTrường tự tăng
2AccountIDInt
3ContactCodenvarchar(25)
4ContactNamenvarchar(250)
5Sexbit
6Birthdatedatetime
7ContactAddressnvarchar(250)
8Mobillenvarchar(50)
9Emailnvarchar(150)
10CreatedDatedatetime
11ModifiedDatedatetime

B4: Tạo các stored procedure trong SQL Server

Bạn có thể tải về bảng cơ sở dữ liệu SQL bằng cách nhấn vào liên kết tải về dưới đây

B5: Tạo Project trong Microsoft Visual Studio 2010

Trong Visual Studio tạo 1 Class có tên: Utility và nhập đoạn Code phía dưới cho Class này.

Imports System.Data.SqlClient
Imports System.Data

Namespace SearchRecordsUsingModalPopup

    Public Class SqlDataProvider

#Region "Membres Prives"

        Shared _IsError As Boolean = False
        Private _connectionString AsString

#End Region

#Region "Constructeurs"

        Public Sub New()
            Try
                _connectionString = ConfigurationManager.ConnectionStrings("SiteSqlServer").ConnectionString
                _IsError = False
            Catch ex As Exception
                _IsError = True
            End Try
        End Sub

#End Region

#Region "Proprietes"

        Public ReadOnly Property ConnectionString() AsString
            Get
                Return _connectionString
            End Get
        End Property

#End Region

#Region "Functions"

        Public FunctionFillTable(ByVal sql AsString) As DataTable
            Try
                Dim tb AsNew DataTable
                Dim adap AsNew SqlDataAdapter(sql, _connectionString)
                adap.Fill(tb)
                Return tb
            Catch ex As Exception
                Return Nothing
            End Try
        End Function

        Public FunctionFillTable(ByVal ProcName As String, ByVal ParamArrayPara() As ObjectPara) As DataTable
            Try
                Dim tb AsNew DataTable
                Dim adap AsNew SqlDataAdapter(ProcName, _connectionString)
                adap.SelectCommand.CommandType = CommandType.StoredProcedure
                If NotPara Is NothingThen
                    For Eachp As ObjectParaIn Para
                        adap.SelectCommand.Parameters.Add(New SqlParameter(p.Name, p.Value))
                    Next
                End If
                adap.Fill(tb)
                Return tb
            Catch ex As Exception
                Return Nothing
            End Try
        End Function

        Public FunctionRunSQL(ByVal ProcName AsString, ByVal ParamArray Para() As ObjectPara) As Object
            Try
                Dim _cnn AsNew SqlConnection(_connectionString)
                _cnn.Open()

                Dim cmd AsNew SqlCommand(ProcName, _cnn)
                cmd.CommandType = CommandType.StoredProcedure
                For Eachp As ObjectParaIn Para
                    cmd.Parameters.Add(New SqlParameter(p.Name, p.Value))
                Next
                Return cmd.ExecuteScalar
            Catch ex As Exception
                Return Nothing
            End Try
        End Function

        Public FunctionGetRow(ByVal ProcName AsString, ByVal ParamArray Para() As ObjectPara) As DataRow
            Try
                Dim tb AsNew DataTable
                Dim adap AsNew SqlDataAdapter(ProcName, _connectionString)
                adap.SelectCommand.CommandType = CommandType.StoredProcedure
                For Eachp As ObjectParaIn Para
                    adap.SelectCommand.Parameters.Add(New SqlParameter(p.Name, p.Value))
                Next
                adap.Fill(tb)
                If tb.Rows.Count Then
                    Return tb.Rows(0)
                End If
            Catch ex As Exception
                Return Nothing
            End Try
            Return Nothing
        End Function

#End Region

    End Class

    Public Class ObjectPara
        Dim _name As String
        Dim _Value As Object

        Sub New(ByVal Pname As String, ByVal PValue As Object)
            _name = Pname
            _Value = PValue
        End Sub

        Public PropertyName() As String
            Get
                Return _name
            End Get
            Set(ByVal value As String)
                _name = value
            End Set
        End Property

        Public PropertyValue() As Object
            Get
                Return _Value
            End Get
            Set(ByVal value As Object)
                _Value = value
            End Set
        End Property

    End Class

    Public Class MyEventArgs
        Inherits EventArgs

        Private Name As String
        Private MyId As String

        Public PropertySelectedName() As String
            Get
                Return Name
            End Get
            Set(ByVal value As String)
                Name = value
            End Set
        End Property

        Public Property Id() As String
            Get
                Return MyId
            End Get
            Set(ByVal value As String)
                MyId = value
            End Set
        End Property

    End Class

End Namespace

Chú ý: Thuộc tính SiteSqlServer chính là chuỗi Connect với SQL Server trong file Web.Config

B6: Download thư viện AjaxControlToolkit tại địa chỉ: Download

B7: Giải nén AjaxControlToolkit.Binary.NET4, và References Ajaxcontroltoolkit.dll trong thư mục vừa giải nén vào Project.

B8: Download  thư viện Bootstrap, giải nén và copy file bootstrap.css vào thư mục Styles trong Project

B9: Tạo file Button.css trong thư mục Styles và nhập các thông tin phía dưới

.icon-add {
    background-image: url(Images/add.gif);
    background-position: centercenter;
    height: 16px;
    width: 16px;
}

.icon-update {
    background-image: url(Images/save.gif);
    background-position: centercenter;
    height: 16px;
    width: 16px;
}

.icon-delete {
    background-image: url(Images/delete.gif);
    background-position: centercenter;
    height: 16px;
    width: 16px;
}

.icon-search {
    background-image: url(Images/search.gif);
    background-position: centercenter;
    height: 16px;
    width: 16px;
}

.icon-close {
    background-image: url(Images/lt.gif);
    background-position: centercenter;
    height: 16px;
    width: 16px;
}

.icon-yes {
    background-image: url(Images/yes.png);
    background-position: centercenter;
    height: 16px;
    width: 16px;
}

.icon-no {
    background-image: url(Images/no.png);
    background-position: centercenter;
    height: 16px;
    width: 16px;
}

B10: Tạo file GridStyle.css trong thư mục Styles và nhập các thông tin phía dưới

.GridStyle
{
    font-weightnormal;
    font-familyArial;
    bordersolid 1px #cbcbcb;
}

.GridStyle_AltRowStyle
{
    background-color#edf5ff;
}

.GridStyle_RowStyle td.GridStyle_AltRowStyle td
{
    padding4px 6px 4px 6px;
    border-color#cbcbcb #cbcbcb #cbcbcb #cbcbcb;
    border-stylesolid solid solid none;
    border-width1px 1px 1px medium;
}

.GridStyle_HeaderStyle th
{
    backgroundurl(Images/sprite.png) repeat-x 0px 0px;
    border-color#cbcbcb #cbcbcb #cbcbcb #cbcbcb;
    border-stylesolid solid solid none;
    border-width1px 1px 1px medium;
    color#0f5590;
    font-weightbold;
    padding5px 5px 5px 5px;
    text-aligncenter;
    vertical-align:bottom;
    font-family:Arial;
    font-size:12px;

.GridStyle_HeaderStyle td
{
    font-family:Arial;
    font-size:12px;
    font-weightbold;
    text-decorationnone;
    text-aligncenter;
    color#0f5590;
    displayblock;
    padding-right10px;
    vertical-alignbottom;

.GridStyle_HeaderStyle th
{
    backgroundurl(Images/sprite.png) repeat-x 0px 0px;
    border-color#cbcbcb #cbcbcb #cbcbcb #cbcbcb;
    border-stylesolid solid solid none;
    border-width1px 1px 1px medium;
    color#0f5590;
    font-weightbold;
    padding5px 5px 5px 5px;
    text-aligncenter;
    vertical-align:bottom;
    font-family:Arial;
    font-size:12px;

.GridStyle_FooterStyle td
{
    font-family:Arial;
    font-size:13px;
    font-weightbold;
    text-decorationnone;
    padding6px 6px 6px 6px;
    border-color#cbcbcb #cbcbcb #cbcbcb #cbcbcb;
    border-stylesolid solid solid none;
    border-width1px 1px 1px medium;
    background-color:#E0E0E0;
/* mouseover row style */

.GridStyle tr:hoverbackground-color:#efefef;}

B11: Download các file ảnh tại đây, Copy ảnh lần lượt vào các thư mục sau:

+ edit.gif, delete.gif, icon_search.gif, clear.gif  vào thư mục Images
+ no.png, yes.png, sprite.png, add.gif, delete.gif, edit.gif, lt.gif, save.gif, search.gif vào thư mục  Styles\Images

- B12: Tạo thư mục UserControls và thêm file Popup_SearchRecord.ascx, mở file dưới dạng HTML và nhập thông tin phía dưới.

<%@ ControlLanguage="vb"AutoEventWireup="false"CodeBehind="Popup_SearchRecord.ascx.vb"Inherits="SearchRecordsUsingModalPopup.UserControls.Popup_SearchRecord"%>
<%@ RegisterTagPrefix="cc1"Assembly="AjaxControlToolkit"Namespace="AjaxControlToolkit"%>

<asp:Panel ID="pnlpopup" runat="server" style="display:none">
    <asp:UpdatePanel ID="updatePanelPopup"runat="server"UpdateMode="Conditional">
        <ContentTemplate>
            <asp:Button id="cmdShowPopup"runat="server"style="display:none" />
            <cc1:ModalPopupExtenderID="ModalPopupExtender_Popup"runat="server"TargetControlID="cmdShowPopup"X="700"Y="150"
                PopupControlID="pnlpopup"CancelControlID="cmdCancel"BackgroundCssClass="ModalPopupBG"Drag="True"/>
                <divclass="modal"style="width:520px;">
                    <divclass="modal-dialog">
                        <div class="modal-content">
                            <div class="modal-header">
                                <button type="button" id="cmdClose" runat="server" causesvalidation="false" class="close" data-dismiss="modal" aria-hidden="true">x</button>
                                <h4 class="modal-title">
                                    <asp:label id="lblHeader"runat="server"Text="Search Account"></asp:label>
                                </h4>
                              </div>
                              <div class="modal-body">
                                   <table width="100%"cellpadding="2"cellspacing="3">
                                       <tr>
                                            <td>
                                                <asp:label id="plKeyword"runat="server"CssClass="CRM_Label"Text="Keyword"></asp:label>
                                            </td>
                                            <td>
                                                <asp:TextBox ID="txtKeyword"CssClass="form-control"runat="server"Width="400px"></asp:TextBox>
                                            </td>
                                       </tr>
                                       <tr id="trMessage"runat="server">
                                           <td colspan="2" align="left"style="padding:2px;">
                                               <asp:Label ID="lblMessage"CssClass="label"runat="server"></asp:Label>
                                           </td>
                                       </tr>
                                       <tr>
                                           <td colspan="2" style="padding-top:8px;padding-bottom:5px;">
                                                <divclass="btn-group">
                                                    <asp:LinkButton id="cmdSearch"runat="server"CssClass="btn btn-small" CausesValidation="false">
                                                        <i class="icon-search"></i>&nbsp;&nbsp;<asp:label id="lblSearch" runat="server" Text="Search"></asp:label>
                                                    </asp:LinkButton>&nbsp;
                                                    <asp:LinkButton id="cmdCancel"runat="server"CssClass="btn btn-small" Causesvalidation="false">
                                                        <i class="icon-close"></i>&nbsp;&nbsp;<asp:label id="lblClose" runat="server" Text="Close"></asp:label>
                                                    </asp:LinkButton>
                                                </div>
                                           </td>
                                       </tr>
                                   </table>
                                   <table width="100%"cellpadding="2"cellspacing="3">
                                        <tr>
                                            <td>
                                                <asp:GridView ID="grvObject"runat="server"AllowPaging="true"PageSize="8"
                                                    CssClass="GridStyle"BorderColor="#cbcbcb"BorderStyle="solid"
                                                    BorderWidth="1"AutoGenerateColumns="false"DataKeyNames="AccountID"width="100%">
                                                    <AlternatingRowStyleCssClass="GridStyle_AltRowStyle"/>
                                                    <HeaderStyleCssClass="GridStyle_HeaderStyle"/>
                                                    <RowStyleCssClass="GridStyle_RowStyle"/>
                                                    <Columns>
                                                        <asp:TemplateField HeaderText="AccountID"Visible="false">
                                                                  <ItemStylewidth="1%"/>   
                                                            <ItemTemplate>
                                                                <asp:Label id="lblAccountID"runat="server"text='<%# Eval("AccountID") %>'></asp:Label>
                                                            </ItemTemplate>                          
                                                        </asp:TemplateField>
                                                        <asp:TemplateField HeaderText="AccountCode">
                                                                  <ItemStylewidth="30%"/>   
                                                            <ItemTemplate>
                                                                <asp:LinkButton id="cmdAccountCode"runat="server"CausesValidation="False"CommandName="Select"CommandArgument='<%# Eval("AccountID") %>' text='<%# Eval("AccountCode") %>'></asp:LinkButton>
                                                            </ItemTemplate>                          
                                                        </asp:TemplateField>
                                                        <asp:TemplateField HeaderText="AccountName">
                                                                  <ItemStyle width="70%" />   
                                                            <ItemTemplate>
                                                                <asp:LinkButton CausesValidation="false"ID="cmdAccountName"Text='<%#Eval("AccName")%>' CommandName="Select"runat="server"CommandArgument='<%# Eval("AccountID")%>'></asp:LinkButton>
                                                            </ItemTemplate>                          
                                                        </asp:TemplateField>                                   
</Columns>                                 
                                                </asp:GridView>
                                            </td>
                                        </tr>
                                   </table>
                              </div>
                        </div>
                    </div>
                </div>
        </ContentTemplate>
    </asp:UpdatePanel>   
</asp:Panel>   


- B13: Nhập Code phía dưới cho file Popup_SearchRecord.ascx

Namespace SearchRecordsUsingModalPopup.UserControls
    Partial Class Popup_SearchRecord
        Inherits System.Web.UI.UserControl

#Region "Private Members"

        Private _ItemID As Integer
        Private _ItemName As String

#End Region

#Region "Event Click"

        Public Delegate Sub MyEventHandler(ByVal sender As Object, ByVal e As MyEventArgs)
        Public EventOnSelectedRow As MyEventHandler

#End Region

#Region "Pulbic Methods"

        Public SubShowPopup()
            updatePanelPopup.Update()
            ModalPopupExtender_Popup.Show()
        End Sub

#End Region

#Region "GetData"

        Private SubBindAccount()
            Dim objBind As New DataTable
            objBind = BindData()

            If Not objBind Is Nothing Then
                If objBind.Rows.Count > 0 Then
                    grvObject.DataSource = objBind
                    grvObject.DataBind()
                    trMessage.Visible = False
                    grvObject.Visible = True
                    lblMessage.Text = "Total "& objBind.Rows.Count & " record"
                Else
                    grvObject.Visible = False
                    lblMessage.Text = "No matching record(s) found"
                End If
            Else
                lblMessage.Text = "No matching record(s) found"
            End If
            trMessage.Visible = True
            updatePanelPopup.Update()
        End Sub

        Private FunctionBindData() As DataTable
            Dim objSQL As New SqlDataProvider

            Dim objBind As DataTable = objSQL.FillTable("Pro_Accounts_List", New ObjectPara("@Keyword", txtKeyword.Text.Trim), _
                                                                          New ObjectPara("@SortField", "CreatedDate"), _
                                                                          New ObjectPara("@SortType", "DESC"))
            Return objBind
        End Function

#End Region

#Region "DataGrid Methods"

        Private FunctionGetGridViewRowItemID(ByVal row As GridViewRow) As Integer
            Dim lblAccountID As Label = DirectCast(row.FindControl("lblAccountID"), Label)
            If lblAccountID Is Nothing Then
                Throw NewException("AccountID: could not find AccountID control!")
            End If
            Return Convert.ToInt32(lblAccountID.Text)
        End Function

        Private SubgrvObject_PageIndexChanging(ByVal sender As Object, ByVal e AsSystem.Web.UI.WebControls.GridViewPageEventArgs) Handles grvObject.PageIndexChanging
            grvObject.PageIndex = e.NewPageIndex
            BindAccount()
            ModalPopupExtender_Popup.Show()
        End Sub

        Public SubgrvObject_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) HandlesgrvObject.SelectedIndexChanged
            Dim AccountID As Integer = GetGridViewRowItemID(grvObject.SelectedRow)
            Dim objSQL As New SqlDataProvider

            Dim MyArgs As New MyEventArgs()

            ModalPopupExtender_Popup.Hide()
            ScriptManager.GetCurrent(Page).RegisterDataItem(grvObject, grvObject.SelectedIndex.ToString)
            If AccountID <> -1 Then
                DimobjInfo As DataRow= objSQL.GetRow("Pro_Accounts_Get", New ObjectPara("@AccountID", AccountID))
                If NotobjInfo Is NothingThen
                    With objInfo
                        MyArgs.Id = objInfo("AccountID")
                        MyArgs.SelectedName = objInfo("AccName")
                        RaiseEvent OnSelectedRow(Me, MyArgs)
                    End With
                End If
            End If
        End Sub

#End Region

#Region "Properties"

        Public PropertyItemID() As Integer
            Get
                Return _ItemID
            End Get
            Set(ByVal Value As Integer)
                _ItemID = Value
            End Set
        End Property

        Public PropertyItemName() As String
            Get
                Return _ItemName
            End Get
            Set(ByVal Value As String)
                _ItemName = Value
            End Set
        End Property

#End Region

#Region "Event Handles"

        Protected SubPage_Load(ByVal sender AsObject, ByVal e As System.EventArgs) Handles Me.Load
            Try
                If Page.IsPostBack = False Then
                   
                End If
            Catch ex As Exception

            End Try
        End Sub

        Private Sub cmdSearch_Click(ByValsender As Object, ByVal e AsSystem.EventArgs) HandlescmdSearch.Click
            BindAccount()
            ModalPopupExtender_Popup.Show()
        End Sub

        Private SubcmdCancel_Click(ByVal sender As Object, ByVal e As System.EventArgs) HandlescmdCancel.Click
            ModalPopupExtender_Popup.Hide()
        End Sub

        Private SubcmdClose_ServerClick(ByVal sender As Object, ByVal e As System.EventArgs) HandlescmdClose.ServerClick
            ModalPopupExtender_Popup.Hide()
        End Sub

#End Region

    End Class

End Namespace

Với cách viết Control riêng, bạn có thể sử dụng lại ở nhiều vị trí khác nhau trong Project bằng cách nhúng nó ở những nơi cần sử dụng.

B14: Mở file Site.Master dưới dạng HTML và gắn thêm các css cho Project ngay phía dưới thẻ <link href="~/Styles/Site.css" rel="stylesheet" type="text/css" />
<link href="~/Styles/GridStyle.css" rel="stylesheet" type="text/css" />
<link href="~/Styles/bootstrap.css" rel="stylesheet" type="text/css" />
<link href="~/Styles/Button.css" rel="stylesheet" type="text/css" />

- B15: Tạo file EditContact.aspx và mở file dưới dạng HTML, nhập mã HTML

<%@ PageTitle="Search Records with using AJAX Modal Popup Extender in ASP.Net" Language="vb"MasterPageFile="~/Site.Master"AutoEventWireup="false"CodeBehind="EditContact.aspx.vb"Inherits="SearchRecordsUsingModalPopup.EditContact"%>
<%@ RegisterTagPrefix="ModalPopup"TagName="Search"Src="~/UserControls/Popup_SearchRecord.ascx"%>
<%@ RegisterTagPrefix="ModalPopup"TagName="Delete"Src="~/UserControls/Popup_ConfirmDelete.ascx"%>

<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
    <asp:ScriptManager ID="ScriptManager1"runat="server">
    </asp:ScriptManager>
    <ModalPopup:Search ID="ucSearchRecord"runat="server"/>
    <ModalPopup:Delete ID="ucDeleteItem"runat="server"/>
    <asp:UpdatePanel ID="updatePanel"runat="server"UpdateMode="Conditional">
        <ContentTemplate>
           <table cellspacing="0"cellpadding="0"border="0"width="75%">
                <tr>
                    <td>
                        <div class="panel panel-default">
                            <div class="panel-heading">
                                <asp:label id="lblHeader"runat="server"></asp:label>
                            </div>
                            <div class="panel-body">
                                <table cellspacing="2"cellpadding="3"border="0"width="100%">
                                    <tr>
                                        <td>
                                            <asp:label id="plContactCode"runat="server"CssClass="label"Text="ContactCode (*)"></asp:label>
                                        </td>
                                        <td>
                                            <asp:TextBox ID="txtContactCode"CssClass="form-control"runat="server"Width="150px"></asp:TextBox>
                                            <asp:RequiredFieldValidatorID="valContactCode"CssClass="alert-error"runat="server"ControlToValidate="txtContactCode"Display="dynamic"ErrorMessage="Enter Contact Code"></asp:RequiredFieldValidator>
                                        </td>
                                        <td>
                                            <asp:Label ID="plContactName"runat="server"CssClass="label"Text="Contact Name (*)"></asp:Label>
                                        </td>
                                        <td>
                                            <asp:TextBox ID="txtContactName" CssClass="form-control" runat="server" width="220px"></asp:TextBox>
                                            <asp:RequiredFieldValidatorID="valContactName"CssClass="alert-error"runat="server"ControlToValidate="txtContactName"Display="dynamic"ErrorMessage="Enter Contact Name"></asp:RequiredFieldValidator>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td>
                                            <asp:Label ID="plAccountName"runat="server"CssClass="label"Text="AccountName (*)"></asp:Label>
                                        </td>
                                        <td colspan="3">
                                            <asp:TextBox ID="txtAccountName"CssClass="form-control"runat="server"width="510px"></asp:TextBox>
                                            <asp:RequiredFieldValidatorID="valAccountName"CssClass="alert-error"runat="server"ControlToValidate="txtAccountName"Display="dynamic"ErrorMessage="Enter Account Name"></asp:RequiredFieldValidator>
                                            <asp:Label ID="lblAccountID"runat="server"Visible="false"></asp:Label>
                                            <asp:ImageButton ID="cmdSearchAccount"runat="server"causesvalidation="false"ToolTip="Search Account" imageurl="~/images/icon_search.gif"></asp:ImageButton>
                                            <asp:ImageButton ID="cmdClear"runat="server"causesvalidation="false"ToolTip="Clear"imageurl="~/images/clear.gif"></asp:ImageButton>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td>
                                            <asp:Label ID="plAddress"runat="server"CssClass="label"Text="Address"></asp:Label>
                                        </td>
                                        <td colspan="3">
                                            <asp:TextBox ID="txtAddress"CssClass="form-control"TextMode="multiLine"runat="server"Height="45px"width="560px"></asp:TextBox>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td style="width:48%;">
                                            <asp:Label ID="plSex" runat="server"CssClass="label"Text="Sex"></asp:Label>
                                        </td>
                                        <td style="width:40%;">
                                            <asp:RadioButtonList ID="rdoSex" runat="server"RepeatDirection="Horizontal">
                                                <asp:ListItem Value="1" Text="Male" Selected="True"></asp:ListItem>
                                                <asp:ListItem Value="0" Text="Female"></asp:ListItem>
                                            </asp:RadioButtonList>
                                        </td>
                                        <td style="width:10%;">
                                            <asp:Label ID="plBirthdate"runat="server"CssClass="label"Text="Birthdate"></asp:Label>
                                        </td>
                                        <td>
                                            <asp:TextBox ID="txtBirthdate"CssClass="form-control"runat="server"width="220px"></asp:TextBox>
                                            <asp:CompareValidator ID="cvBirthDate"CssClass="alert-error"ControlToValidate="txtBirthdate"Display="dynamic"Operator="DataTypeCheck"ErrorMessage="Error Birthdate" Type="date" runat="server"></asp:CompareValidator>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td>
                                            <asp:Label ID="plEmail"runat="server"CssClass="label"Text="Email"></asp:Label>
                                        </td>
                                        <td>
                                            <asp:TextBox ID="txtEmail" CssClass="form-control" runat="server" width="220px"></asp:TextBox>
                                            <asp:regularexpressionvalidatorid="cvEmail"CssClass="alert-error"runat="server"ErrorMessage="Error Email" ControlToValidate="txtEmail" Display="Dynamic" ValidationExpression="[\w\.-]+(\+[\w-]*)?@([\w-]+\.)+[\w-]+"></asp:regularexpressionvalidator>
                                        </td>
                                        <td>
                                            <asp:Label ID="plMobille" runat="server" CssClass="label" Text="Mobille"></asp:Label>
                                        </td>
                                        <td>
                                            <asp:TextBox ID="txtMobille"CssClass="form-control"runat="server"width="220px"></asp:TextBox>
                                        </td>
                                    </tr>
                                </table>
                            </div>
                            <div class="modal-footer">
                                <div class="btn-group">
                                    <asp:LinkButton id="cmdAdd" runat="server"CssClass="btn btn-small" CausesValidation="true">
                                        <i class="icon-add"></i>&nbsp;&nbsp;<asp:label id="lblAdd" runat="server" Text="Save & Add"></asp:label>
                                    </asp:LinkButton>&nbsp;
                                    <asp:LinkButton id="cmdUpdate"runat="server"CssClass="btn btn-small" CausesValidation="true">
                                        <i class="icon-update"></i>&nbsp;&nbsp;<asp:label id="lblUpdate" runat="server" Text="Save"></asp:label>
                                    </asp:LinkButton>&nbsp;
                                    <asp:LinkButton id="cmdDelete"runat="server"CssClass="btn btn-small" Causesvalidation="false">
                                        <i class="icon-delete"></i>&nbsp;&nbsp;<asp:label id="lblDelete" runat="server" Text="Delete"></asp:label>
                                    </asp:LinkButton>
                                    <asp:LinkButton id="cmdCancel"runat="server"CssClass="btn btn-small" Causesvalidation="false">
                                        <i class="icon-close"></i>&nbsp;&nbsp;<asp:label id="lblClose" runat="server" Text="Back"></asp:label>
                                    </asp:LinkButton>
                                </div>
                            </div>
                        </div>
                    </td>
                </tr>
           </table>
      </ContentTemplate>
    </asp:UpdatePanel>
</asp:Content>


- B16: Nhập Code cho file EditContact.aspx

Imports System.IO

Namespace SearchRecordsUsingModalPopup

    Public Class EditContact
        Inherits System.Web.UI.Page

#Region "Private Member"

        Private ContactID As Integer = -1

#End Region

#Region "Private Methods"

        Private SubSetTitle()
            If ContactID <> -1 AndContactID <> 1 Then
                lblHeader.Text = "Edit Contact"
            Else
                lblHeader.Text = "Add Contact"
            End If
        End Sub

        Private SubResetControls()
            txtContactCode.Text = ""
            txtContactName.Text = ""
            txtAccountName.Text = ""
            lblAccountID.Text = ""
            txtAddress.Text = ""
            txtBirthdate.Text = ""
            txtEmail.Text = ""
            txtMobille.Text = ""
        End Sub

#End Region

#Region "Save Data"

        Private Sub SaveData(ByVal ItemID As Integer)
            Dim objSQL As New SqlDataProvider
            Dim AccountID As Integer = -1

            If lblAccountID.Text <> "" Then
                AccountID = lblAccountID.Text
            End If

            'Update Record
            If ItemID <> -1 AndItemID <> 0 Then
                objSQL.RunSQL("Pro_Contacts_Update", New ObjectPara("@ContactID", ItemID), _
                                                     New ObjectPara("@AccountID", AccountID), _
                                                     New ObjectPara("@ContactCode", txtContactCode.Text.Trim), _
                                                     New ObjectPara("@ContactName", txtContactName.Text.Trim), _
                                                     New ObjectPara("@Sex", rdoSex.SelectedValue), _
                                                     New ObjectPara("@Birthdate", txtBirthdate.Text.Trim), _
                                                     New ObjectPara("@ContactAddress", txtAddress.Text.Trim), _
                                                     New ObjectPara("@Mobille", txtMobille.Text.Trim), _
                                                     NewObjectPara("@Email", txtEmail.Text.Trim))
            Else
                'Add Record
                ItemID = objSQL.RunSQL("Pro_Contacts_Add", New ObjectPara("@AccountID", AccountID), _
                                                     New ObjectPara("@ContactCode", txtContactCode.Text.Trim), _
                                                     New ObjectPara("@ContactName", txtContactName.Text.Trim), _
                                                     NewObjectPara("@Sex", rdoSex.SelectedValue), _
                                                     New ObjectPara("@Birthdate", txtBirthdate.Text.Trim), _
                                                     New ObjectPara("@ContactAddress", txtAddress.Text.Trim), _
                                                     New ObjectPara("@Mobille", txtMobille.Text.Trim), _
                                                     New ObjectPara("@Email", txtEmail.Text.Trim))
            End If
        End Sub

#End Region

#Region "GetInfo"

        Private Sub GetInfo(ByVal ItemID As Integer)
            Dim objSQL As New SqlDataProvider

            If ItemID <> -1 Then
                Dim objInfo AsDataRow = objSQL.GetRow("Pro_Contacts_Get", New ObjectPara("@ContactID", ItemID))
                If NotobjInfo Is NothingThen
                    With objInfo
                        txtContactCode.Text = objInfo("ContactCode")
                        txtContactName.Text = objInfo("ContactName")

                        If Not IsDBNull(objInfo("AccountID")) Then
                            lblAccountID.Text = objInfo("AccountID")
                        End If

                        If Not IsDBNull(objInfo("AccName")) Then
                            txtAccountName.Text = objInfo("AccName")
                        End If

                        If Not IsDBNull(objInfo("ContactAddress")) Then
                            txtAddress.Text = objInfo("ContactAddress")
                        EndIf

                        If Not IsDBNull(objInfo("Sex")) Then
                            If objInfo("Sex") Then
                                rdoSex.SelectedValue = "1"
                            Else
                                rdoSex.SelectedValue = "0"
                            End If
                        Else
                            rdoSex.SelectedValue = "0"
                        End If

                        If Not IsDBNull(objInfo("Birthdate")) Then
                            txtBirthdate.Text = CType(objInfo("Birthdate"), Date).ToShortDateString
                        End If

                        If Not IsDBNull(objInfo("Email")) Then
                            txtEmail.Text = objInfo("Email")
                        End If

                        If Not IsDBNull(objInfo("Mobille")) Then
                            txtMobille.Text = objInfo("Mobille")
                        End If
                    End With
                End If
            End If
        End Sub

#End Region

#Region "Popup"

        Private SubMySelDelete_OnSelectedRow(ByVal sender As Object, ByVal e AsSearchRecordsUsingModalPopup.MyEventArgs)
            Dim ItemName As String = ""
            With e
                If e.Id <> "" Then
                    Response.Redirect("Default.aspx")
                End If
            End With
        End Sub

        Private SubMySelSearchRecord_OnSelectedRow(ByVal sender As Object, ByVal e As SearchRecordsUsingModalPopup.MyEventArgs)
            Dim ItemName As String = ""
            With e
                If .Id <> ""Then
                    txtAccountName.Text = .SelectedName
                    lblAccountID.Text = .Id
                End If
                updatePanel.Update()
            End With
        End Sub

#End Region

#Region "Event Handles"

        Protected SubPage_Load(ByVal sender AsObject, ByVal e As System.EventArgs) Handles Me.Load
            Try
                If NotRequest.QueryString("ContactID") Is Nothing Then
                    ContactID = Request.QueryString("ContactID")
                End If

                AddHandler CType(ucSearchRecord, SearchRecordsUsingModalPopup.UserControls.Popup_SearchRecord).OnSelectedRow, AddressOf MySelSearchRecord_OnSelectedRow
                AddHandler CType(ucDeleteItem, SearchRecordsUsingModalPopup.UserControls.Popup_ConfirmDelete).OnSelectedRow, AddressOf MySelDelete_OnSelectedRow

                If Page.IsPostBack = False Then
                    lblAccountID.Text = ""
                    SetTitle()
                    If ContactID <> -1 Then
                        GetInfo(ContactID)
                        cmdDelete.Visible = True
                    Else
                        cmdDelete.Visible = False
                    End If
                End If
            Catch ex As Exception

            End Try
        End Sub

        Private SubcmdAdd_Click(ByVal sender As Object, ByVal e As System.EventArgs) HandlescmdAdd.Click
            SaveData(ContactID)
            ResetControls()
            Response.Redirect("EditContact.aspx")
        End Sub

        Private SubcmdUpdate_Click(ByVal sender As Object, ByVal e As System.EventArgs) HandlescmdUpdate.Click
            SaveData(ContactID)
            Response.Redirect("Default.aspx")
        End Sub

        Private SubcmdDelete_Click(ByVal sender As Object, ByVal e As System.EventArgs) HandlescmdDelete.Click
            With CType(ucDeleteItem, SearchRecordsUsingModalPopup.UserControls.Popup_ConfirmDelete)
                .ItemID = ContactID
                .ShowPopup(ContactID, "")
            End With
        End Sub

        Private SubcmdCancel_Click(ByVal sender As Object, ByVal e As System.EventArgs) HandlescmdCancel.Click
            Response.Redirect("Default.aspx")
        End Sub

        Private SubcmdSearchAccount_Click(ByVal sender As Object, ByVal e As System.EventArgs) HandlescmdSearchAccount.Click
            With CType(ucSearchRecord, SearchRecordsUsingModalPopup.UserControls.Popup_SearchRecord)
                .ShowPopup()
            End With
        End Sub

        Private SubcmdClear_Click(ByVal sender As Object, ByVal e As System.EventArgs) HandlescmdClear.Click
            txtAccountName.Text = ""
            lblAccountID.Text = ""
            updatePanel.Update()
        End Sub

#End Region

    End Class

End Namespace

B17: Mở file Default.aspxdưới dạng HTML và  bổ xung Control

<%@ PageTitle="Search Records with using AJAX Modal Popup Extender in ASP.Net" Language="vb"MasterPageFile="~/Site.Master"AutoEventWireup="false"CodeBehind="Default.aspx.vb"Inherits="SearchRecordsUsingModalPopup._Default"%>
<%@ RegisterTagPrefix="ModalPopup"TagName="ViewRecord"Src="~/UserControls/Popup_ViewRecord.ascx"%>
<%@ RegisterTagPrefix="ModalPopup"TagName="Delete"Src="~/UserControls/Popup_ConfirmDelete.ascx"%>
<%@ RegisterTagPrefix="ModalPopup"TagName="Search"Src="~/UserControls/Popup_SearchRecord.ascx"%>
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
    <asp:ScriptManager ID="ScriptManager1"runat="server">
    </asp:ScriptManager>
    <h1>
        Search Records with using AJAX Modal Popup Extender in ASP.Net
    </h1>
    <br />
    <ModalPopup:ViewRecord ID="ucViewRecord"runat="server"/>
    <ModalPopup:Delete ID="ucDeleteItem"runat="server"/>
    <ModalPopup:Search ID="ucSearchRecord"runat="server"/>

    <asp:UpdatePanel ID="updatePanel"runat="server"UpdateMode="Conditional">
        <ContentTemplate>
            <table cellpadding="2"cellspacing="3"width="100%">
                <tr>
                    <td>
                        <asp:LinkButton id="cmdAdd" runat="server" CssClass="btn btn-small" CausesValidation="false">
                            <i class="icon-add"></i>&nbsp;&nbsp;<asp:label id="lblAdd" runat="server" Text="Add"></asp:label>
                        </asp:LinkButton>
                    </td>
                    <tdalign="right">
                        <asp:Label ID="plFilter" runat="server" Text="Filter By Account"></asp:Label>
                        <asp:TextBox ID="txtAccountName" CssClass="form-control" ToolTip="Enter Account" runat="server" width="200px"></asp:TextBox>
                        <asp:Label ID="lblAccountID" runat="server" Visible="false"></asp:Label>
                        <asp:ImageButton ID="cmdSearchAccount" runat="server" causesvalidation="false"ToolTip="Search Account" imageurl="~/images/icon_search.gif"></asp:ImageButton>
                        <asp:ImageButton ID="cmdClear" runat="server" causesvalidation="false" ToolTip="Clear" imageurl="~/images/clear.gif"></asp:ImageButton>&nbsp;&nbsp;

                        <asp:Label ID="plKeyword" runat="server" Text="Keyword"></asp:Label>
                        <asp:TextBox ID="txtSearch" CssClass="form-control" ToolTip="Enter Keyword" runat="server" width="200px"></asp:TextBox>
                        <asp:ImageButton ID="cmdQuickSearch" runat="server" causesvalidation="false" imageurl="~/images/icon_search.gif"></asp:ImageButton>
                    </td>
                </tr>
                <trid="trMessage"runat="server"visible="false">
                    <tdcolspan="2">
                        <asp:Label ID="lblMessage" runat="server" Text="No Data"></asp:Label>
                    </td>
                </tr>
                <tr>
                    <tdcolspan="2">
                        <asp:GridView ID="grvObject" runat="server"
                            CssClass="GridStyle"BorderColor="#cbcbcb"BorderStyle="solid"
                            BorderWidth="1"AutoGenerateColumns="false"DataKeyNames="ContactID"width="100%">
                            <AlternatingRowStyleCssClass="GridStyle_AltRowStyle"/>
                            <HeaderStyle CssClass="GridStyle_HeaderStyle"/>
                            <RowStyle CssClass="GridStyle_RowStyle"/>
                            <Columns>
                                <asp:TemplateField HeaderText="ContactCode">
                                          <ItemStyle width="10%" />   
                                    <ItemTemplate>
                                        <asp:LinkButton id="cmdContactCode"runat="server"CausesValidation="False"CommandName="View"CommandArgument='<%# Eval("ContactID") %>' text='<%# Eval("ContactCode") %>'></asp:LinkButton>
                                    </ItemTemplate>                          
                                </asp:TemplateField>
                                <asp:TemplateField HeaderText="ContactName">
                                          <ItemStyle width="12%" />   
                                    <ItemTemplate>
                                        <asp:LinkButton id="cmdContactName"runat="server"CausesValidation="False"CommandName="View"CommandArgument='<%# Eval("ContactID") %>' text='<%# Eval("ContactName") %>'></asp:LinkButton>
                                    </ItemTemplate>                          
                                </asp:TemplateField>
                                <asp:TemplateField HeaderText="Birthdate">
                                          <ItemStyle HorizontalAlign="Center"width="8%"/>   
                                    <ItemTemplate>
                                        <asp:Label ID="lblBirthdate"Text='<%# Eval("Birthdate").ToShortDateString %>' runat="server"></asp:Label>
                                    </ItemTemplate>                          
                                </asp:TemplateField> 
                                <asp:TemplateField HeaderText="Mobille">
                                          <ItemStyle width="10%" />   
                                    <ItemTemplate>
                                        <asp:Label ID="lblMobille"Text='<%# Eval("Mobille") %>' runat="server"></asp:Label>
                                    </ItemTemplate>                          
                                </asp:TemplateField>
                                <asp:TemplateField HeaderText="Email">
                                          <ItemStyle width="15%" />   
                                    <ItemTemplate>
                                        <asp:Label ID="lblEmail"Text='<%# Eval("Email") %>' runat="server"></asp:Label>
                                    </ItemTemplate>                           
                                </asp:TemplateField>        
                                      <asp:TemplateField HeaderText="Function">
                                          <ItemStyle HorizontalAlign="Center"width="5%"/> 
                                             <ItemTemplate>
                                        <asp:HyperLink ID="cmdEdit"CommandArgument='<%# Eval("ContactID")%>' runat="server"ImageUrl="~/images/edit.gif"></asp:HyperLink>
                                        <asp:ImageButton ID="cmdDelete"CommandName="Delete"CommandArgument='<%# Eval("ContactID")%>' runat="server"ImageUrl="~/images/delete.gif"CausesValidation="False"></asp:ImageButton>
                                             </ItemTemplate>
                                      </asp:TemplateField>                                
                            </Columns>                              
                        </asp:GridView>
                    </td>
                </tr>
            </table>
        </ContentTemplate>
    </asp:UpdatePanel>
</asp:Content>

B18: Viết Code cho file Default.aspx

Imports System.IO

Namespace SearchRecordsUsingModalPopup

    Public Class _Default
        Inherits System.Web.UI.Page

#Region "Bind Data"

        Private SubBindContact()
            Dim objBind As New DataTable
            objBind = BindData()

            If Not objBind Is Nothing Then
                If objBind.Rows.Count > 0 Then
                    grvObject.DataSource = objBind
                    grvObject.DataBind()
                    trMessage.Visible = False
                    grvObject.Visible = True
                Else
                    trMessage.Visible = True
                    grvObject.Visible = False
                End If
                updatePanel.Update()
            End If
        End Sub

        Private FunctionBindData() As DataTable
            Dim objSQL As New SqlDataProvider
            Dim AccountID As Integer = -1
            If lblAccountID.Text <> "" Then
                AccountID = lblAccountID.Text.Trim
            End If
            Dim objBind As DataTable = objSQL.FillTable("Pro_Contacts_List", New ObjectPara("@Keyword", txtSearch.Text.Trim), _
                                                                          New ObjectPara("@AccountID", AccountID), _
                                                                          New ObjectPara("@SortField", "CreatedDate"), _
                                                                          New ObjectPara("@SortType", "DESC"))
            Return objBind
        End Function

#End Region

#Region "GridView Methods"

        Private SubgrvObject_RowCommand(ByVal sender As Object, ByVal e AsSystem.Web.UI.WebControls.GridViewCommandEventArgs) Handles grvObject.RowCommand
            Dim ItemID As Integer = Integer.Parse(e.CommandArgument)
            Select Casee.CommandName.ToLower
                Case "view"
                    With CType(ucViewRecord, SearchRecordsUsingModalPopup.UserControls.Popup_ViewRecord)
                        .ItemID = ItemID
                        .ShowPopup(ItemID)
                    End With
            End Select
        End Sub

        Private SubgrvObject_RowDeleting(ByVal sender As Object, ByVal e AsSystem.Web.UI.WebControls.GridViewDeleteEventArgs) Handles grvObject.RowDeleting
            Dim ItemID As Integer = CType(grvObject.DataKeys(e.RowIndex).Value, Integer)
            Dim ItemName As String = ""
            If ItemID <> -1 Then
                With CType(ucDeleteItem, SearchRecordsUsingModalPopup.UserControls.Popup_ConfirmDelete)
                    .ItemID = ItemID
                    .ShowPopup(ItemID, "")
                End With
            End If
        End Sub

        Private SubgrvObject_RowDataBound(ByVal sender As Object, ByVal e As GridViewRowEventArgs) HandlesgrvObject.RowDataBound
            If (e.Row.RowType = DataControlRowType.DataRow) Then

                Dim ContactID AsInteger = DataBinder.Eval(e.Row.DataItem, "ContactID")

                Dim cmdEdit AsHyperLink = DirectCast(e.Row.FindControl("cmdEdit"), HyperLink)
                If NotcmdEdit Is NothingThen
                    cmdEdit.ToolTip = "Edit Contact"
                    cmdEdit.NavigateUrl = "EditContact.aspx?ContactID="& ContactID
                End If

                'Delete
                DimcmdDelete As ImageButton= DirectCast(e.Row.FindControl("cmdDelete"), ImageButton)
                If NotcmdDelete Is NothingThen
                    cmdDelete.ToolTip = "Delete Contact"
                End If
            End If
        End Sub

#End Region

#Region "Popup"

        Private SubMySelDelete_OnSelectedRow(ByVal sender As Object, ByVal e AsSearchRecordsUsingModalPopup.MyEventArgs)
            Dim ItemName As String = ""
            With e
                If e.Id <> "" Then
                    BindContact()
                End If
            End With
        End Sub

        Private SubMySelSearchRecord_OnSelectedRow(ByVal sender As Object, ByVal e AsSearchRecordsUsingModalPopup.MyEventArgs)
            Dim ItemName As String = ""
            With e
                If .Id <> ""Then
                    txtAccountName.Text = .SelectedName
                    lblAccountID.Text = .Id
                    BindContact()
                End If
            End With
        End Sub

#End Region

#Region "Event Handles"

        Protected SubPage_Load(ByVal sender AsObject, ByVal e As System.EventArgs) Handles Me.Load
            Try
                AddHandler CType(ucSearchRecord, SearchRecordsUsingModalPopup.UserControls.Popup_SearchRecord).OnSelectedRow, AddressOf MySelSearchRecord_OnSelectedRow
                AddHandler CType(ucDeleteItem, SearchRecordsUsingModalPopup.UserControls.Popup_ConfirmDelete).OnSelectedRow, AddressOf MySelDelete_OnSelectedRow

                If Page.IsPostBack = False Then
                    'Default Submit Button
                    Page.Form.DefaultButton = cmdQuickSearch.UniqueID
                    BindContact()
                End If
            Catch ex As Exception

            End Try
        End Sub

        Private SubcmdAdd_Click(ByVal sender As Object, ByVal e As System.EventArgs) HandlescmdAdd.Click
            Response.Redirect("EditContact.aspx")
        End Sub

        Private SubcmdQuickSearch_Click(ByVal sender As Object, ByVal e As System.EventArgs) HandlescmdQuickSearch.Click
            BindContact()
        End Sub

        Private SubcmdSearchAccount_Click(ByVal sender As Object, ByVal e As System.EventArgs) HandlescmdSearchAccount.Click
            With CType(ucSearchRecord, SearchRecordsUsingModalPopup.UserControls.Popup_SearchRecord)
                .ShowPopup()
            End With
        End Sub

        Private SubcmdClear_Click(ByVal sender As Object, ByVal e As System.EventArgs) HandlescmdClear.Click
            txtAccountName.Text = ""
            lblAccountID.Text = ""
            BindContact()
        End Sub

#End Region

    End Class

End Namespace

Bây giờ chạy Project bạn sẽ có kết quả như ảnh phía dưới.

Code Example C#, Code Example VB.NET
Code Example C#, Code Example VB.NET



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