Server Error in '/' Application.

Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

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.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

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:


[ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index]
   System.Data.Linq.SqlClient.QueryConverter.VisitInvocation(InvocationExpression invoke) +1502419
   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.VisitWhere(Expression sequence, LambdaExpression predicate) +145
   System.Data.Linq.SqlClient.QueryConverter.VisitSequenceOperatorCall(MethodCallExpression mc) +3145
   System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) +1091
   System.Data.Linq.SqlClient.QueryConverter.VisitFirst(Expression sequence, LambdaExpression lambda, Boolean isFirst) +45
   System.Data.Linq.SqlClient.QueryConverter.VisitSequenceOperatorCall(MethodCallExpression mc) +3202
   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.DataQuery`1.System.Linq.IQueryProvider.Execute(Expression expression) +46
   System.Linq.Queryable.FirstOrDefault(IQueryable`1 source) +352
   MyWeb.Default.Page_Load(Object sender, EventArgs e) +17381
   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.EventHandler.Invoke(Object sender, EventArgs e) +0
   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:2.0.50727.8974; ASP.NET Version:2.0.50727.8974