MasterPage cannot be applied to this page because the control collection is read-only. If the page contains code blocks, make sure they are placed inside content controls (i.e. <asp:Content runat=server />)

Server Error in '/master/lt2010' Application.

MasterPage cannot be applied to this page because the control collection is read-only. If the page contains code blocks, make sure they are placed inside content controls (i.e. <asp:Content runat=server />)

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: MasterPage cannot be applied to this page because the control collection is read-only. If the page contains code blocks, make sure they are placed inside content controls (i.e. <asp:Content runat=server />)

Source Error:



An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[HttpException (0x80004005): MasterPage cannot be applied to this page because the control collection is read-only. If the page contains code blocks, make sure they are placed inside content controls (i.e. <asp:Content runat=server />)]
   System.Web.UI.MasterPage.CreateMaster(TemplateControl owner, HttpContext context, VirtualPath masterPageFile, IDictionary contentTemplateCollection) +583
   System.Web.UI.Page.get_Master() +48
   System.Web.UI.Page.ApplyMasterPage() +18
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +685

Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433