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.
[InvalidOperationException: The type 'TODO.Web.TODO_db_Service', provided as the Service attribute value in the ServiceHost directive, or provided in the configuration element system.serviceModel/serviceHostingEnvironment/serviceActivations could not be found.] System.ServiceModel.Activation.ServiceHostFactory.CreateServiceHost(String constructorString, Uri[] baseAddresses) +51902 System.ServiceModel.HostingManager.CreateService(String normalizedVirtualPath) +1440 System.ServiceModel.HostingManager.ActivateService(String normalizedVirtualPath) +44 System.ServiceModel.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath) +615 [ServiceActivationException: The service '/TODO_db_Service.svc' cannot be activated due to an exception during compilation. The exception message is: The type 'TODO.Web.TODO_db_Service', provided as the Service attribute value in the ServiceHost directive, or provided in the configuration element system.serviceModel/serviceHostingEnvironment/serviceActivations could not be found..] System.Runtime.AsyncResult.End(IAsyncResult result) +679246 System.ServiceModel.Activation.HostedHttpRequestAsyncResult.End(IAsyncResult result) +190 System.ServiceModel.Activation.HostedHttpRequestAsyncResult.ExecuteSynchronous(HttpApplication context, String routeServiceVirtualPath, Boolean flowContext, Boolean ensureWFService) +234 System.ServiceModel.Activation.HttpHandler.ProcessRequest(HttpContext context) +24 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +100 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75