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MemberChangeConflict Class
Visual Studio 2010
Represents a situation in which an attempted update fails because member values have been updated since the client last read them.
Assembly: System.Data.Linq (in System.Data.Linq.dll)
The MemberChangeConflict type exposes the following members.
| Name | Description | |
|---|---|---|
![]() | CurrentValue | Gets the current value of the member in conflict. |
![]() | DatabaseValue | Gets the database value of the member in conflict. |
![]() | IsModified | Gets a value that indicates whether the member data has been changed since the last database read or refresh. |
![]() | IsResolved | Gets a value that indicates whether the conflict has been resolved. |
![]() | Member | Gets metadata information about the member in conflict. |
![]() | OriginalValue | Gets the original value of the member in conflict. |
| Name | Description | |
|---|---|---|
![]() | Equals(Object) | Determines whether the specified Object is equal to the current Object. (Inherited from Object.) |
![]() | Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
![]() | GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
![]() | GetType | Gets the Type of the current instance. (Inherited from Object.) |
![]() | MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
![]() | Resolve(Object) | Specifies the value to set as the current value for the member in conflict. |
![]() | Resolve(RefreshMode) | Uses a RefreshMode parameter to automatically specify the value to set as the current value for the member in conflict. |
![]() | ToString | Returns a string that represents the current object. (Inherited from Object.) |
' Add 'Imports System.Reflection' for this section. 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 As Object = occ.Object Console.WriteLine("Table name: " & metatable.TableName) Console.Write("Customer ID: ") Console.WriteLine(entityInConflict.CustomerID) For Each mcc As MemberChangeConflict In occ.MemberConflicts Dim currVal = mcc.CurrentValue Dim origVal = mcc.OriginalValue Dim databaseVal = mcc.DatabaseValue Dim mi As MemberInfo = mcc.Member Console.WriteLine("Member: " & mi.Name) Console.WriteLine("current value: " & currVal) Console.WriteLine("original value: " & origVal) Console.WriteLine("database value: " & databaseVal) Console.ReadLine() Next Next End Try
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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