Button in Gridview not working when GridView is inside updatepanel

Question

my button is inside Templatefield of Gridview

my gridview is inside updatepanel

if i trigger it within that updatepanel it says cannot find control id BUTTON2 inside update panel1

here is my code

<asp:UpdatePanel ID="UpdatePanel1" runat="server">
   <Triggers>
<asp:AsyncPostBackTrigger ControlID="Button2" EventName="Click"></asp:AsyncPostBackTrigger >
  </Triggers>
<ContentTemplate>


<Custom:EmptyGridView ID="GridView2" runat="server" AutoGenerateColumns="False" DataSourceID="SqlDataSource1"
ShowHeaderWhenEmpty="True" EmptyDataText="No Uploads are found" ShowEmptyTable="True"
ShowFooterWhenEmpty="False" Style="margin-top: 20px" OnSelectedIndexChanged="GridView2_SelectedIndexChanged"
  OnRowDataBound="GridView2_RowDataBound" 

 :

:

:

:


<asp:TemplateField ShowHeader="False" HeaderText="Receive">
<ItemTemplate> 
<asp:Button ID="Button2" runat="server" CausesValidation="false" CommandName="select"
Text="Receive" /> 
</ItemTemplate>
</asp:TemplateField>

My button2 is wrking fine without updatepanel but not inside updatepanel..plz help

Answer 1

This may help: http://www.facepunch.com/showthread.php?p=12499948