Export (0) Print
Expand All
This topic has not yet been rated - Rate this topic

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
DeleteThe entity will be deleted.
InsertThe entity will be inserted.
NoneThe entity will not be submitted.
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: 4.5.1, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Did you find this helpful?
(1500 characters remaining)
Thank you for your feedback
Show:
© 2014 Microsoft. All rights reserved.