Textbox click action and generate dropdownlist in Asp.net?

Yes.. Check this
http://www.dotnetcurry.com/ShowArticle.aspx?ID=515
http://www.codeproject.com/Articles/365974/Autocomplete-Menu

Hi santhosh,
   No I am not saying this, actually I saw an example from http://www.typescriptlang.org/Samples/ site. In this see the sample of TodoMVC, and then tell me Is this possible In asp.net. If yes then how?

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication3._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;

namespace WebApplication3
{
    public partial class _Default : System.Web.UI.Page
    {
       
        protected void Button1_Click(object sender, EventArgs e)
        {
           DropDownList1.Items.Add(TextBox1.Text);
           DropDownList1.Visible = true;
           TextBox1.Visible = false;
        }

        protected void Page_Load(object sender, EventArgs e)
        {
            DropDownList1.Visible = false;
        }
    }
}