(jQuery DataTables –  Check Uncheck all CheckBoxes in ASP.Net Repeater) – Chức năng chọn tất cả các dòng trong danh sách giúp người sử dụng nhanh chóng thực hiện các thao tác như: xóa  toàn bộ, sửa đồng loạt… Việc sử dụng chức năng này đã quá quen thuộc với các Control: Gridview, Datalist.. nhưng khi sử dụng jQuery DataTables để hiển thị dữ liệu và tích hợp chức năng chọn toàn bộ thì ít gặp. Bài viết dưới đây sẽ sử dụng jQuery DataTables để hiển thị dữ liệu trên Repeater và tích hợp chức năng chọn/bỏ chọn một hoặc nhiều dòng trong danh sách.


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




B1: Download CSDL Northwind tại đây và thực hiện công việc Restore Data.

B2: 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.
C# Code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data.SqlClient;
using System.Data;
using System.Configuration;

namespace CheckUncheckRowsFromCheckboxInDataTables
{
    public class SqlDataProvider
    {
        #region "Membres Prives"

        private string _connectionString;

        #endregion

        #region "Constructeurs"

        public SqlDataProvider()
        {
            try
            {
                _connectionString = ConfigurationManager.ConnectionStrings["SiteSqlServer"].ConnectionString;
            }
            catch
            {
            }
        }

        #endregion

        #region "Proprietes"

        public string ConnectionString
        {
            get { return _connectionString; }
        }

        #endregion

        #region "Functions"

        public DataTable FillTable(string sql)
        {
            try
            {
                DataTable tb = new DataTable();
                SqlDataAdapter adap = new SqlDataAdapter(sql, _connectionString);
                adap.Fill(tb);
                return tb;
            }
            catch
            {
                return null;
            }
        }

        #endregion
    }
}
VB.NET Code
Imports System.Data.SqlClient
Imports System.Data

Namespace CheckUncheckRowsFromCheckboxInDataTables

    Public Class SqlDataProvider

#Region "Membres Prives"

        Shared _IsError As Boolean = False
        Private _connectionString As String

#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() As String
            Get
                Return _connectionString
            End Get
        End Property

#End Region

#Region "Functions"

        Public Function FillTable(ByVal sql As StringAs DataTable
            Try
                Dim tb As New DataTable
                Dim adap As New SqlDataAdapter(sql, _connectionString)
                adap.Fill(tb)
                Return tb
            Catch ex As Exception
                Return Nothing
            End Try
        End Function

#End Region

    End Class

End Namespace

B3: Mở file Site.Master dạng HTML và bổ xung đoạn mã phía dưới trong thẻ Head
<head id="Head1" runat="server">
    <title>Check Uncheck All Rows From Checkbox in DataTables</title>
    <link href="Styles/Site.css"rel="stylesheet"type="text/css"/>
    <link rel="stylesheet"type="text/css"href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"/>
       <link rel="stylesheet"type="text/css"href="https://cdn.datatables.net/1.10.9/css/dataTables.bootstrap.min.css"/>
    <script type="text/javascript"src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
       <script type="text/javascript"language="javascript"src="https://cdn.datatables.net/1.10.9/js/jquery.dataTables.min.js"></script>
       <script type="text/javascript"language="javascript"src="https://cdn.datatables.net/1.10.9/js/dataTables.bootstrap.min.js"></script>
    <script type="text/javascript">
        $("[id*=chkAll]").live("click", function() {
            var chkAll = $(this);
            var table = $(this).closest("table");
            $("input[type=checkbox]", table).each(function () {
                if (chkAll.is(":checked")) {
                    $(this).attr("checked", "checked");
                    $("td", $(this).closest("tr")).addClass("selected");
                } else {
                    $(this).removeAttr("checked");
                    $("td", $(this).closest("tr")).removeClass("selected");
                }
            });
        });
        $("[id*=chkSelect]").live("click", function() {
            var table = $(this).closest("table");
            var chkAll = $("[id*=chkAll]", table);
            if (!$(this).is(":checked")) {
                $("td", $(this).closest("tr")).removeClass("selected");
                chkAll.removeAttr("checked");
            } else {
                $("td", $(this).closest("tr")).addClass("selected");
                if ($("[id*=chkSelect]", table).length == $("[id*=chkSelect]:checked", table).length) {
                    chkAll.attr("checked", "checked");
                }
            }
        });
    </script>
    <asp:ContentPlaceHolderID="HeadContent"runat="server">
    </asp:ContentPlaceHolder>
</head>

B4: Mở file Default.aspx dưới dạng HTML và  nhập mã HTML
<%@ PageTitle="Check/Uncheck All Rows From Checkbox in DataTables" Language="vb" MasterPageFile="~/Site.Master" AutoEventWireup="false" CodeBehind="Default.aspx.vb" Inherits="CheckUncheckRowsFromCheckboxInDataTables._Default"%>
<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent">
</asp:Content>
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
    <asp:ScriptManager ID="ScriptManager1"runat="server">
    </asp:ScriptManager>
    <div class="panel panel-default">
        <div class="panel-heading">
            <h3>Check/Uncheck All Rows From Checkbox in DataTables</h3>
        </div>
        <div class="panel-body">
            <asp:Repeater ID="dlObject"runat="server">
                <HeaderTemplate>
                    <tableid="tblData"class="table table-striped table-bordered" cellpadding="0" cellspacing="0" width="100%">
                        <thead>
                            <tr>
                                <th style="text-align:center;"width="20px">
                                    <asp:CheckBox ID="chkAll" runat="server"/>
                                </th>
                                <th align="center">ProductName</th>
                                <th align="center">CategoryName</th>
                                <th align="center">QuantityPerUnit</th>
                                <th align="center">UnitPrice</th>
                                <th align="center">UnitsInStock</th>
                                <th align="center">UnitsOnOrder</th>                            
                            </tr>
                        </thead>
                        <tbody>
                    </HeaderTemplate>
                    <ItemTemplate>
                        <tr>
                            <td align="center"width="20px">
                                <asp:CheckBox ID="chkSelect"runat="server"/>
                            </td>
                            <td align="left"><%# Eval("ProductName") %></td>
                            <td align="left"><%# Eval("CategoryName") %></td>
                            <td align="left"><%# Eval("QuantityPerUnit") %></td>
                            <td align="right"><%# Eval("UnitPrice") %></td>
                            <td align="right"><%# Eval("UnitsInStock") %></td>
                            <td align="right"><%# Eval("UnitsOnOrder") %></td>       
                        </tr>
                    </ItemTemplate>
                    <FooterTemplate>
                    </tbody>
                    </table>
                </FooterTemplate>
            </asp:Repeater>
        </div>
    </div>
    <script type="text/javascript">
        function pageLoad() {
           var table = $('#tblData').DataTable({
              'columnDefs': [{
                 'targets': 0,
                 'searchable':false,
                 'orderable':false
              }],
              'order': [1, 'asc']
            });
        };
    </script>
</asp:Content>

B5: Viết Code cho file Default.aspx
C# Code
//Visit http://www.laptrinhdotnet.com for more ASP.NET Tutorials
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Web.UI;
using System.Web.Caching;

namespace CheckUncheckRowsFromCheckboxInDataTables
{
    public partial class _Default : System.Web.UI.Page
    {

        #region"Bind Data"

        private voidBindData()
        {
            DataTable objBind = newDataTable();
            objBind = GetData();
            dlObject.DataSource = objBind;
            dlObject.DataBind();
        }

        private DataTableGetData()
        {
            SqlDataProvider objSQL = newSqlDataProvider();
            DataTable objBind = null;
            //Caching
            if (Cache["Cache_Products"] == null)
            {
                objBind = objSQL.FillTable("SELECT Products.ProductID, Products.ProductName, Products.SupplierID, Products.CategoryID, Categories.CategoryName, " + "Products.QuantityPerUnit, Products.UnitPrice, Products.UnitsInStock, Products.UnitsOnOrder, Products.ReorderLevel, "+ "Products.Discontinued From Products INNER JOIN Categories ON Products.CategoryID = Categories.CategoryID");
                Cache["Cache_Products"] = objBind;
            }
            else
            {
                objBind = (DataTable)Cache["Cache_Products"];
            }
            return objBind;
        }

        #endregion

        #region"Event Handles"

        protected voidPage_Load(object sender, System.EventArgs e)
        {
            try
            {
                if (!IsPostBack)
                {
                    BindData();
                }
            }
            catch
            {
            }
        }

        #endregion
    }
}
VB.NET Code
'Visit http://www.laptrinhdotnet.com for more ASP.NET Tutorials

Namespace CheckUncheckRowsFromCheckboxInDataTables

    Public Class _Default
        Inherits System.Web.UI.Page

#Region "Bind Data"

        Private SubBindData()
            Dim objBind As New DataTable
            objBind = GetData()
            dlObject.DataSource = objBind
            dlObject.DataBind()
        End Sub

        Private FunctionGetData() As DataTable
            Dim objSQL As New SqlDataProvider
            Dim objBind As DataTable
            'Caching
            If Cache("Cache_Products") Is Nothing Then
                objBind = objSQL.FillTable("SELECT Products.ProductID, Products.ProductName, Products.SupplierID, Products.CategoryID, Categories.CategoryName, " & _
                                                      "Products.QuantityPerUnit, Products.UnitPrice, Products.UnitsInStock, Products.UnitsOnOrder, Products.ReorderLevel, " & _
                                                      "Products.Discontinued From Products INNER JOIN Categories ON Products.CategoryID = Categories.CategoryID")
                Cache("Cache_Products") = objBind
            Else
                objBind = CType(Cache("Cache_Products"), DataTable)
            End If
            Return objBind
        End Function

#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
                    BindData()
                End If
            Catch ex As Exception

            End Try
        End Sub

#End Region

    End Class

End Namespace

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



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