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Showing content from https://docs.microsoft.com/en-us/dotnet/api/system.data.linq.mapping.updatecheck below:

UpdateCheck Enum (System.Data.Linq.Mapping) | Microsoft Learn

UpdateCheck Enum Definition

Specifies when objects are to be tested for concurrency conflicts.

public enum class UpdateCheck

public enum UpdateCheck

type UpdateCheck =

Public Enum UpdateCheck

Inheritance

Fields Name Value Description Always 0

Always check. This is the default unless IsVersion is true for a member.

Never 1

Never check.

WhenChanged 2

Check only when the object has been changed.

Examples

[Column(Storage="_HomePage", DbType="NText", UpdateCheck=UpdateCheck.Never)]
public string HomePage
{
    get
    {
        return this._HomePage;
    }
    set
    {
        if ((this._HomePage != value))
    {
        this.OnHomePageChanging(value);
        this.SendPropertyChanging();
            this._HomePage = value;
        this.SendPropertyChanged("HomePage");
            this.OnHomePageChanged();
    }
    }
}

<Column(Storage:="_HomePage", DbType:="NText", UpdateCheck:=UpdateCheck.Never)>  _
Public Property HomePage() As String
    Get
        Return Me._HomePage
    End Get
    Set(ByVal value As String)
        If ((Me._HomePage <> value)  _
            = false) Then
        Me.OnHomePageChanging(value)
            Me.SendPropertyChanging
            Me._HomePage = value
            Me.SendPropertyChanged("HomePage")
            Me.OnHomePageChanged
        End If
    End Set
End Property

The code example after the table specifies that HomePage objects should never be tested.

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