Using TextChange event and asp.net ajax

Hi Mansoor,

After writing something in the textbox,move the cursor out of the textbox.


Try this...


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





   


   

   

   
   
  
       
          
                              ForeColor="Red" Width="100px">
                       ontextchanged="TextBox1_TextChanged">
       

     
      
     
  
       


       
    
   
   
   
      
    
    
       
       
    
       

   

   

using System;
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;
public partial class _Default : System.Web.UI.Page
{
    string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
    SqlDataAdapter ad = new SqlDataAdapter();
    SqlCommand cmd = new SqlCommand();
    SqlDataAdapter sqlda;
    DataSet ds;
    string str;
   
    protected void TextBox1_TextChanged(object sender, EventArgs e)
    {
         SqlConnection conn = new SqlConnection(connStr);
        conn.Open();
        str = "select * from Contacts where name like '" + TextBox1.Text + "%'";
        cmd = new SqlCommand(str, conn);
        sqlda = new SqlDataAdapter(cmd);
        ds = new DataSet();
        sqlda.Fill(ds, "Contacts");
        conn.Close();
        GridView1.DataSource = ds;
        GridView1.DataMember = "Contacts";
        GridView1.DataBind();
    }
    }



Thanks