The ScriptManager must appear before any controls that need it

Question

I have created a new ASP.NET Web Application, and after debugging i got Server Error

The control with ID \'WaitingPopup1\' requires a ScriptManager on

Answer 1

• with a head tag with runat="server"
• inside a form tag with runat="server"
• before the ContentPanels that contain controls that require it - typical controls with UpdatePanels:

<%=PageTitle%>