Server Error in '/' Application.

Object reference not set to an instance of an object.

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.NullReferenceException: Object reference not set to an instance of an object.

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:


[NullReferenceException: Object reference not set to an instance of an object.]
   System.Data.Linq.SqlClient.QueryConverter.VisitInvocation(InvocationExpression invoke) +1194
   System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) +1090
   System.Data.Linq.SqlClient.QueryConverter.VisitExpression(Expression exp) +33
   System.Data.Linq.SqlClient.QueryConverter.VisitBinary(BinaryExpression b) +47
   System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) +445
   System.Data.Linq.SqlClient.QueryConverter.VisitExpression(Expression exp) +33
   System.Data.Linq.SqlClient.QueryConverter.VisitWhere(Expression sequence, LambdaExpression predicate) +150
   System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) +841
   System.Data.Linq.SqlClient.QueryConverter.VisitSelect(Expression sequence, LambdaExpression selector) +38
   System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) +841
   System.Data.Linq.SqlClient.QueryConverter.ConvertOuter(Expression node) +128
   System.Data.Linq.SqlClient.SqlProvider.BuildQuery(Expression query, SqlNodeAnnotations annotations) +163
   System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) +159
   System.Data.Linq.DataQuery`1.System.Collections.Generic.IEnumerable<T>.GetEnumerator() +52
   System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) +416
   System.Linq.Enumerable.ToList(IEnumerable`1 source) +70
   KobiMaster.DataContext.Helper.DBProductSort.GetCachedDefaultProductSorting() +1573
   KobiMaster.Portal.PMProductListController..ctor() +210
   KobiMaster.Product.UserControls.PMProductList.Page_Init(Object sender, EventArgs e) +75
   System.Web.UI.Control.OnInit(EventArgs e) +106
   KobiMaster.Portal.PortalModuleControl.OnInit(EventArgs e) +84
   System.Web.UI.Control.InitRecursive(Control namingContainer) +166
   System.Web.UI.Control.AddedControl(Control control, Int32 index) +214
   KobiMaster.Portal.KMDefault.AddPageModules(List`1 mdlView) +1139
   KobiMaster.Portal.KMDefault.Page_Init(Object sender, EventArgs e) +1103
   System.Web.UI.Control.OnInit(EventArgs e) +106
   System.Web.UI.Page.OnInit(EventArgs e) +16
   System.Web.UI.Control.InitRecursive(Control namingContainer) +166
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1598


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3930.0