RadioButtonlist control:

 RadioButtonlist control:-(single selection control).

Radiobuttonlist control is uses all property to dropdown list control.

Prog :-

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

 

namespace WebApplication1

{

    public partial class WebForm1 : System.Web.UI.Page

    {

        protected void Page_Load(object sender, EventArgs e)

        {

 

        }

 

        protected void Button1_Click(object sender, EventArgs e)

        {

            //user input element

            RadioButtonList1.Items.Add(TextBox1.Text);

 

        }

 

        protected void RadioButtonList1_SelectedIndexChanged(object sender, EventArgs e)

        {

            //display selected city

            //Label1.Text = RadioButtonList1.Text;

            //match radio button list element

 

            if (RadioButtonList1.SelectedIndex==1)

            {

                TextBox1.Text = "Welcome user";

 

            }

            else

            {

                TextBox1.Text = "Sorry invalid selection";

            }

        }

    }

}