selectedindex change is not working.

Question

In my gridview selectedindexchanged is not working. My gridview is inside the update panel, thats why its not working. I have already added the asynchronous post back trigger, then also its not working.

 

<asp:ScriptManager ID="ScriptManager1" runat="server" />

<asp:UpdatePanel ID="UpdatePanel2" runat="server" UpdateMode="Conditional">

<Triggers>

<asp:AsyncPostBackTrigger ControlID="GridView3" EventName="SelectedIndexChanged" />

</Triggers>

<ContentTemplate>

<asp:GridView ID="GridView3" runat="server"

onrowdatabound="GridView3_RowDataBound" AlternatingRowStyle-BackColor="#C1C1C1"

onselectedindexchanged="GridView3_SelectedIndexChanged" Width="540px"

onrowcreated="GridView3_RowCreated" onrowupdating="GridView3_RowUpdating"

onselectedindexchanging="GridView3_SelectedIndexChanging"

onpageindexchanging="GridView3_PageIndexChanging">

<Columns>

<asp:CommandField ShowSelectButton="True" />

</Columns>

</asp:GridView>

</ContentTemplate>

<Triggers>

<asp:AsyncPostBackTrigger ControlID="Button11" EventName="Click" />

</Triggers>

</asp:UpdatePanel>