geletaabate

i tried to use multiple updated panel control on a single page by setting there update mode to 'conditional' <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional"> <ContentTemplate> <asp:Button runat="server" ID="Panel1Button" Text="Panel 1 button" /> </ContentTemplate> </asp:UpdatePanel> <asp:UpdatePanel ID="UpdatePanel2" runat="server" UpdateMode="Conditional"> <ContentTemplate> <asp:Button runat="server" ID="Panel2Button" Text="panel 2 button" /> </ContentTemplate> …

try creating a new web project and copy your helloworld html code into default.aspx file of the newly created project i hope it helped