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Monday, October 28, 2013
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ASP.NET : Bind CheckBoxList with Multiple DataSource

4:21 AMMonday, October 28, 2013

Introduction 

The term DataSource means you can store multiple data at one place known as DataSource. There are different DataSource available in DOTNET library such as DataTable , SqlDataReader, Array , Collections etc. Now at time, lets take a simple example to bind single CheckBoxList with multiple DataSource.
 Algorithm behind the scene
Step-1 : Drop CheckBoxList and Two button control onto the design page.
Step-2 : On first button click event we can bind CheckBoxList with one string array
Step-3 : On Second button click event we can bind same CheckBoxList with another string array.

Complete Code

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Example of Multiple DataSource</title>
    <style type="text/css">
        .style1 {
            font-size: larger;
        }
    </style>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <strong><span class="style1">Example of Multiple DataSource</span></strong><br />
        <asp:CheckBoxList ID="CheckBoxList1" runat="server">
        </asp:CheckBoxList>
        <br />
        <asp:Button ID="Button1" runat="server" onclick="technology"
            Text="Technology" Width="87px" />
    &nbsp;<asp:Button ID="Button2" runat="server" onclick="gadgets"
            Text="Gadgets" Width="73px" />
    </div>
    </form>
</body>
</html>

Codebehind file
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
  
    protected void technology(object sender, EventArgs e)
    {
        string[] tech = { "Turbo c", "Java", "dotnet" };
        CheckBoxList1.DataSource = tech;
        CheckBoxList1.DataBind();

    }
    protected void gadgets(object sender, EventArgs e)
    {
        string[] gadgets = { "Phone", "Camera", "Tablet" };
        CheckBoxList1.DataSource = gadgets;
        CheckBoxList1.DataBind();
    }

}

Output

ASP.NET : Bind CheckBoxList with Multiple DataSource

ASP.NET : Bind CheckBoxList with Multiple DataSource

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