I have updates my ASP.NET 2010 MVC2 system to MVC3. I have also updated

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Asked: May 19, 20262026-05-19T10:55:59+00:00 2026-05-19T10:55:59+00:00

I have updates my ASP.NET 2010 MVC2 system to MVC3. I have also updated

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I have updates my ASP.NET 2010 MVC2 system to MVC3. I have also updated an in-progress MVC2 website to MVC3 using the conversion tool. I have left the current pages as .aspx including the master page. I have added a new .cshtml view. All the pages work except the new razor based view.

I get the following error

The file “~/Views/Shared/Site.Master” could not be rendered, because it does not exist or is not a valid page.

It does exist because it displays the .aspx pages OK. How do I add the correct statement to display the .cshtml page in the

<asp:ContentPlaceHolder ID="mainContent" runat="server">

I have tried

@RenderBody()

This gives the above error message. I have also tried

<%: RenderBody() %>

But this gives error

The name “RenderBody” does not exist in the current context

The stack trace is as follows:

   [HttpException (0x80004005): The file "~/Views/Shared/Site.Master" could not be rendered, because it does not exist or is not a valid page.]
   System.Web.WebPages.Util.EnsureValidPageType(WebPageBase page, String virtualPath) +98735
   System.Web.WebPages.WebPageBase.PopContext() +166
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +95
   System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) +220
   System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) +115
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +303
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +13
   System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +23
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +260
   System.Web.Mvc.<>c__DisplayClass1e.<InvokeActionResultWithFilters>b__1b() +19
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +177
   System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +343
   System.Web.Mvc.Controller.ExecuteCore() +116
   System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +97
   System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) +10
   System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__5() +37
   System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +21
   System.Web.Mvc.Async.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult _) +12
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +62
   System.Web.Mvc.<>c__DisplayClasse.<EndProcessRequest>b__d() +50
   System.Web.Mvc.SecurityUtil.<GetCallInAppTrustThunk>b__0(Action f) +7
   System.Web.Mvc.SecurityUtil.ProcessInApplicationTrust(Action action) +22
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +60
   System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +8841105
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +184