Server Error in '/' Application.

The files '/App_Code/CS/SendEmail.cs' and '/App_Code/House.vb' use a different language, which is not allowed since they need to be compiled together.

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: The files '/App_Code/CS/SendEmail.cs' and '/App_Code/House.vb' use a different language, which is not allowed since they need to be compiled together.

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): The files '/App_Code/CS/SendEmail.cs' and '/App_Code/House.vb' use a different language, which is not allowed since they need to be compiled together.]
   System.Web.Compilation.BuildProvidersCompiler.ProcessBuildProviders() +559
   System.Web.Compilation.BuildProvidersCompiler.PerformBuild() +34
   System.Web.Compilation.CodeDirectoryCompiler.GetCodeDirectoryAssembly(VirtualPath virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet excludedSubdirectories, Boolean isDirectoryAllowed) +751
   System.Web.Compilation.BuildManager.CompileCodeDirectory(VirtualPath virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet excludedSubdirectories) +170
   System.Web.Compilation.BuildManager.CompileCodeDirectories() +451
   System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +304

[HttpException (0x80004005): The files '/App_Code/CS/SendEmail.cs' and '/App_Code/House.vb' use a different language, which is not allowed since they need to be compiled together.]
   System.Web.Compilation.BuildManager.ReportTopLevelCompilationException() +73
   System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +603
   System.Web.Compilation.BuildManager.CallAppInitializeMethod() +36
   System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException) +831

[HttpException (0x80004005): The files '/App_Code/CS/SendEmail.cs' and '/App_Code/House.vb' use a different language, which is not allowed since they need to be compiled together.]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +523
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +107
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +688


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3535.0