I've installed version 5.35 beta.
Now when i load a DataGrid with a columns that display a relation to another entity like DSettori.Descrizione of entity DMagazzini, Visual Studio give me an exception of this type:
System.NullReferenceException non è stata gestita dal codice utente
Message="Riferimento a un oggetto non impostato su un'istanza di oggetto."
Source="Devart.Data"
StackTrace:
in Devart.Common.DbMonitor.a(MethodBase A_0)
in Devart.Common.DbMonitor.a()
in Devart.Common.DbMonitor.OnCreate(DbMonitor monitor, MonitorTracePoint tracePoint, Object sender, Boolean isParentMessage)
in Devart.Data.Oracle.OracleCommand.set_DbConnection(DbConnection value)
in Devart.Data.Linq.Provider.DataProvider.CreateCommand(String commandText, IDbConnection connection)
in Devart.Data.Oracle.Linq.Provider.OracleDataProvider.CreateCommand(String commandText, IDbConnection connection)
in Devart.Data.Linq.Provider.DataProvider.a(c A_0, Object[] A_1, Object[] A_2, Object A_3)
in Devart.Data.Linq.Provider.DataProvider.a(c A_0, Object[] A_1)
in Devart.Data.Linq.Provider.DeferredQuery`3.a(TKeyQuery A_0)
in Devart.Data.Linq.Provider.DefferedEntity`4.a(TKeyQuery A_0)
in Devart.Data.Linq.Provider.DeferredSource`2.b()
in System.Linq.Enumerable.SingleOrDefault[TSource](IEnumerable`1 source)
in System.Data.Linq.EntityRef`1.get_Entity()
in MagazzinoBC.DMagazzini.get_DSettori() in C:\Progetti\MagazzinoBC\MagazzinoBC\DataContext_MagazzinoBC.Designer.cs:riga 655
in (Object )
in DevExpress.Data.Access.ComplexPropertyDescriptor.Prepare()
InnerException:
What can be?
DataGrid and LinqToOracle 5.35b
dotConnect for Oracle v 5.35 is released.
It can be downloaded from http://www.devart.com/dotconnect/oracle/download.html (trial version) or from Registered Users' Area (for users with valid subscription only).
For more information, please refer to http://www.devart.com/forums/viewtopic.php?t=16436.
It can be downloaded from http://www.devart.com/dotconnect/oracle/download.html (trial version) or from Registered Users' Area (for users with valid subscription only).
For more information, please refer to http://www.devart.com/forums/viewtopic.php?t=16436.