Server Error in '/' Application.

Value cannot be null.
Parameter name: input

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.ArgumentNullException: Value cannot be null.
Parameter name: input

Source Error:


Line 15:             string ID = Request.QueryString["id"];
Line 16:             DataConnection dc = new DataConnection();
Line 17:             news_item = dc.Get<LatestNews>().Where(x => x.Id == Guid.Parse(ID)).Single();
Line 18:         }
Line 19:     }

Source File: c:\ClientSites\oapecorg.org\httpdocs\Website\OAPECWebsite\Website\App_Data\UserControls\Oapec\NewsDetailCtrl.ascx.cs    Line: 17

Stack Trace:


[ArgumentNullException: Value cannot be null.
Parameter name: input]
   System.Data.Linq.SqlClient.QueryConverter.VisitInvocation(InvocationExpression invoke) +1250
   System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) +1133
   System.Data.Linq.SqlClient.QueryConverter.VisitExpression(Expression exp) +34
   System.Data.Linq.SqlClient.QueryConverter.VisitBinary(BinaryExpression b) +49
   System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) +460
   System.Data.Linq.SqlClient.QueryConverter.VisitExpression(Expression exp) +34
   System.Data.Linq.SqlClient.QueryConverter.VisitWhere(Expression sequence, LambdaExpression predicate) +159
   System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) +874
   System.Data.Linq.SqlClient.QueryConverter.VisitFirst(Expression sequence, LambdaExpression lambda, Boolean isFirst) +47
   System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) +874
   System.Data.Linq.SqlClient.QueryConverter.ConvertOuter(Expression node) +133
   System.Data.Linq.SqlClient.SqlProvider.BuildQuery(Expression query, SqlNodeAnnotations annotations) +168
   System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) +165
   System.Data.Linq.Table`1.System.Linq.IQueryProvider.Execute(Expression expression) +41
   Composite.Data.Foundation.DataFacadeQueryable`1.Execute(Expression expression) +124
   C1Function.Page_Load(Object sender, EventArgs e) in c:\ClientSites\oapecorg.org\httpdocs\Website\OAPECWebsite\Website\App_Data\UserControls\Oapec\NewsDetailCtrl.ascx.cs:17
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0