text box auto suggest with onkey press code behind

See more:

ASP.NET

SQL

without ajax using jquery

<asp:TextBox ID="TextBox1" runat="server" Width="134px" OnTextChanged="TextBox1_TextChanged" AutoPostBack="true" >

Protected Sub TextBox1_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
       GridView1.DataBind()
       If GridView1.Rows.Count <= 0 Then
           Label1.Text = "NO RECORDS FOUND";
       Else
           Label1.Text = "";
       End If
   End Sub

i am having a texbox ,autosuggest from database without ajax
and while searching on keypress autosuggest would check from database
later checking the textbox value with gridview.
please help.