[InvalidOperationException: The operation cannot be completed because the DbContext has been disposed.]
System.Data.Entity.Internal.InternalContext.CheckContextNotDisposed() +67
System.Data.Entity.Internal.LazyInternalContext.InitializeContext() +34
System.Data.Entity.Internal.Linq.DbQueryProvider.Execute(Expression expression) +22
System.Linq.Queryable.Any(IQueryable1 source, Expression
1 predicate) +265
MyProject.MyRoleProvider.IsUserInRole(String username, String roleName) in ...
System.Web.Security.Roles.IsUserInRole(String username, String roleName) +263
MyProject.MyPrincipal.IsInRole(String role) in ...
System.Linq.Enumerable.Any(IEnumerable1 source, Func
2 predicate) +146
System.Web.Mvc.AuthorizeAttribute.AuthorizeCore(HttpContextBase httpContext) +200
System.Web.Mvc.AuthorizeAttribute.OnAuthorization(AuthorizationContext filterContext) +159
System.Web.Mvc.ControllerActionInvoker.InvokeAuthorizationFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor) +96
System.Web.Mvc.Async.<>c__DisplayClass25.b__1e(AsyncCallback asyncCallback, Object asyncState) +446
System.Web.Mvc.Async.WrappedAsyncResult`1.Begin(AsyncCallback callback, Object state, Int32 timeout) +130
System.Web.Mvc.Async.AsyncControllerActionInvoker.BeginInvokeAction(ControllerContext controllerContext, String actionName, AsyncCallback callback, Object state) +302
System.Web.Mvc.<>c__DisplayClass1d.b__17(AsyncCallback asyncCallback, Object asyncState) +30
System.Web.Mvc.Async.WrappedAsyncResult`1.Begin(AsyncCallback callback, Object state, Int32 timeout) +130
System.Web.Mvc.Controller.BeginExecuteCore(AsyncCallback callback, Object state) +382
System.Web.Mvc.Async.WrappedAsyncResult`1.Begin(AsyncCallback callback, Object state, Int32 timeout) +130
System.Web.Mvc.Controller.BeginExecute(RequestContext requestContext, AsyncCallback callback, Object state) +317
System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.BeginExecute(RequestContext requestContext, AsyncCallback callback, Object state) +15
System.Web.Mvc.<>c__DisplayClass8.b__2(AsyncCallback asyncCallback, Object asyncState) +71
System.Web.Mvc.Async.WrappedAsyncResult`1.Begin(AsyncCallback callback, Object state, Int32 timeout) +130
System.Web.Mvc.MvcHandler.BeginProcessRequest(HttpContextBase httpContext, AsyncCallback callback, Object state) +249
System.Web.Mvc.MvcHandler.BeginProcessRequest(HttpContext httpContext, AsyncCallback callback, Object state) +50
System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.BeginProcessRequest(HttpContext context, AsyncCallback cb, Object extraData) +16
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +301
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +155