<ext:Button ID="btnxxx" runat="server" Text="XXX" >


<AjaxEvents>





<Click OnEvent="btn_click" />





</AjaxEvents>


</ext:Button>









protected void btn_click(object sender, AjaxEventArgs e)


{


Response.Redirect("page2.aspx");


}

Hi,


Currently i'm using VS2008..
In page1.aspx, i have kept one button and i made Response.Redirect("page2.aspx");
in page1.aspx.cs.
when i click this button it is throwing an error-
Server Error in '/MyProject' Application---Object reference not set to an instance of an object.

what is the solution ..plz reply me