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ChangeAction Enumeration

Describes the type of change the entity will undergo when changes are submitted to the database.

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

public enum ChangeAction

Member nameDescription
NoneThe entity will not be submitted.
DeleteThe entity will be deleted.
InsertThe entity will be inserted.
UpdateThe entity will be updated.

Use with OnValidate() in LINQ to SQL applications to specify or omit validation based on the type of change being submitted.


void OnValidate(ChangeAction action)
{
    if (action == ChangeAction.Insert)
    {
        Console.WriteLine("Notify billing office.");
    }
}


.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4

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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