ASP.NET : Bind CheckBoxList with Multiple DataSource


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" "">

<html xmlns="">
<head runat="server">
    <title>Example of Multiple DataSource</title>
    <style type="text/css">
        .style1 {
            font-size: larger;
    <form id="form1" runat="server">
        <strong><span class="style1">Example of Multiple DataSource</span></strong><br />
        <asp:CheckBoxList ID="CheckBoxList1" runat="server">
        <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" />

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;

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



ASP.NET : Bind CheckBoxList with Multiple DataSource

ASP.NET : Bind CheckBoxList with Multiple DataSource


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