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ObjectChangeConflict Class
Visual Studio 2008
Represents an update attempt with one or more optimistic concurrency conflicts.
Assembly: System.Data.Linq (in System.Data.Linq.dll)
This scenario is one in which an attempted update fails because database values have been updated since the client last read them.
The following example shows how to retrieve information about objects in conflict.
Dim db As New Northwnd("...") Try db.SubmitChanges(ConflictMode.ContinueOnConflict) Catch ex As ChangeConflictException Console.WriteLine("Optimistic concurrency error.") Console.WriteLine(ex.Message) For Each occ As ObjectChangeConflict In db.ChangeConflicts Dim metatable As MetaTable = db.Mapping.GetTable(occ.Object.GetType()) Dim entityInConflict = occ.Object Console.WriteLine("Table name: " & metatable.TableName) Console.Write("Customer ID: ") Console.WriteLine(entityInConflict.CustomerID) Console.ReadLine() Next End Try
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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