how to Dynamically add checkbox and column values from db

Use CheckBoxList

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Bind_checkboxlist._Default" %>





   


   

   

 
   
       
   

   

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
namespace Bind_checkboxlist
{
    public partial class _Default : System.Web.UI.Page
    {
        string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
        SqlCommand com;
        SqlDataAdapter sqlda;
        DataSet ds;
        string str;
        protected void Page_Load(object sender, EventArgs e)
        {
            SqlConnection con = new SqlConnection(connStr);

            con.Open();
            str = "select * from test";
            com = new SqlCommand(str, con);
            sqlda = new SqlDataAdapter(com);

            DataTable dt = new DataTable();
            sqlda.Fill(dt);
            if (dt.Rows.Count - 1 > 0)
            {
                CheckBoxList1.DataSource = dt;
                CheckBoxList1.DataTextField = "items";
                CheckBoxList1.DataValueField = "id";
                CheckBoxList1.DataBind();
            }
            con.Close();

        }
    }
}

http://www.c-sharpcorner.com/UploadFile/sushmita_kumari/dynamiccheckbox101112006231058PM/dynamiccheckbox1.aspx