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UpdateCheck Enum
Definition
- Namespace:
- System.Data.Linq.Mapping
- Assembly:
- System.Data.Linq.dll
Important
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Specifies when objects are to be tested for concurrency conflicts.
public enum class UpdateCheckpublic enum UpdateChecktype UpdateCheck = Public Enum UpdateCheck- Inheritance
Fields
| Name | Value | Description |
|---|---|---|
| Always | 0 | Always check. This is the default unless IsVersion is |
| 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
Remarks
The code example after the table specifies that HomePage objects should never be tested.
Applies to
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