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ChangeAction Enumeration

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: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4
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