MemberChangeConflict Class

MemberChangeConflict Class

 

Represents a situation in which an attempted update fails because member values have been updated since the client last read them.

Namespace:   System.Data.Linq
Assembly:  System.Data.Linq (in System.Data.Linq.dll)

System.Object
  System.Data.Linq.MemberChangeConflict

public sealed class MemberChangeConflict

NameDescription
System_CAPS_pubpropertyCurrentValue

Gets the current value of the member in conflict.

System_CAPS_pubpropertyDatabaseValue

Gets the database value of the member in conflict.

System_CAPS_pubpropertyIsModified

Gets a value that indicates whether the member data has been changed since the last database read or refresh.

System_CAPS_pubpropertyIsResolved

Gets a value that indicates whether the conflict has been resolved.

System_CAPS_pubpropertyMember

Gets metadata information about the member in conflict.

System_CAPS_pubpropertyOriginalValue

Gets the original value of the member in conflict.

NameDescription
System_CAPS_pubmethodEquals(Object)

Determines whether the specified object is equal to the current object.(Inherited from Object.)

System_CAPS_pubmethodGetHashCode()

Serves as the default hash function. (Inherited from Object.)

System_CAPS_pubmethodGetType()

Gets the Type of the current instance.(Inherited from Object.)

System_CAPS_pubmethodResolve(Object)

Specifies the value to set as the current value for the member in conflict.

System_CAPS_pubmethodResolve(RefreshMode)

Uses a RefreshMode parameter to automatically specify the value to set as the current value for the member in conflict.

System_CAPS_pubmethodToString()

Returns a string that represents the current object.(Inherited from Object.)

The following example shows how to retrieve information about members in conflict.

// Add 'using System.Reflection' for this section.
Northwnd db = new Northwnd("...");

try
{
    db.SubmitChanges(ConflictMode.ContinueOnConflict);
}

catch (ChangeConflictException e)
{
    Console.WriteLine("Optimistic concurrency error.");
    Console.WriteLine(e.Message);
    foreach (ObjectChangeConflict occ in db.ChangeConflicts)
    {
        MetaTable metatable = db.Mapping.GetTable(occ.Object.GetType());
        Customer entityInConflict = (Customer)occ.Object;
        Console.WriteLine("Table name: {0}", metatable.TableName);
        Console.Write("Customer ID: ");
        Console.WriteLine(entityInConflict.CustomerID);
        foreach (MemberChangeConflict mcc in occ.MemberConflicts)
        {
            object currVal = mcc.CurrentValue;
            object origVal = mcc.OriginalValue;
            object databaseVal = mcc.DatabaseValue;
            MemberInfo mi = mcc.Member;
            Console.WriteLine("Member: {0}", mi.Name);
            Console.WriteLine("current value: {0}", currVal);
            Console.WriteLine("original value: {0}", origVal);
            Console.WriteLine("database value: {0}", databaseVal);
            Console.ReadLine();
        }
    }
}

.NET Framework
Available since 3.5
Windows Phone Silverlight
Available since 7.1

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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