update gridview on keypress in textbox

Question

hi friends...
i want to update the gridview on textchange in textbox....
if i press "a" the gridview should filled up with record starting with "a". i have some code

SqlDataSource1.SelectCommand = "select * from DeptMaster where DeptName like '" + TextBox1.Text + "%'";
        SqlDataSource1.SelectCommandType = SqlDataSourceCommandType.Text;
        GridView1.DataSource = SqlDataSource1;
        GridView1.DataBind();

its working while leaving the textbox but i want this code should execute on keypress event....

please check this site for example www.way2sms.com on the right u will see the quick contact search .... i want to do the same.....
please reply me soon....

Andrew Fenster · Answer

That's not so easy. The TextBox control has a TextChanged event built in but it only posts back to the server when the user leaves the TextBox. It doesn't do a postback each time the user presses a key. What you need is a JavaScript method that causes a post back when the user types in the TextBox. Once you get a post back you can rebind your GridView (or make any other changes) without problem. You can write your own JavaScript or look for a tool. jQuery has several suitable plugins you could use to cause the post back. Here is an example: http://ejohn.org/blog/jquery-livesearch/ I hope this helps.