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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.");
    }
}

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.

.NET Framework

Supported in: 3.5

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