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) +1502531
   System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) +1329
   System.Data.Linq.SqlClient.QueryConverter.VisitExpression(Expression exp) +34
   System.Data.Linq.SqlClient.QueryConverter.VisitBinary(BinaryExpression b) +52
   System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) +591
   System.Data.Linq.SqlClient.QueryConverter.VisitExpression(Expression exp) +34
   System.Data.Linq.SqlClient.QueryConverter.VisitFirst(Expression sequence, LambdaExpression lambda, Boolean isFirst) +164
   System.Data.Linq.SqlClient.QueryConverter.VisitSequenceOperatorCall(MethodCallExpression mc) +3389
   System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) +1091
   System.Data.Linq.SqlClient.QueryConverter.ConvertOuter(Expression node) +79
   System.Data.Linq.SqlClient.SqlProvider.BuildQuery(Expression query, SqlNodeAnnotations annotations) +211
   System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) +149
   System.Data.Linq.Table`1.System.Linq.IQueryProvider.Execute(Expression expression) +46
   System.Linq.Queryable.FirstOrDefault(IQueryable`1 source, Expression`1 predicate) +422
   AoN2E.Equipment.Page_Load(Object sender, EventArgs e) +8065
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +42
   System.Web.UI.Control.OnLoad(EventArgs e) +132
   System.Web.UI.Control.LoadRecursive() +66
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428


Version Information: Microsoft .NET Framework Version:2.0.50727.9164; ASP.NET Version:2.0.50727.9161