Setting this property to false improves performance at retrieval time, because there are fewer items to track.
An exception is thrown:
If the property is set to false after a query has been executed.
For more information, see the Valid Modes section in DataContext.
If the property is set to false and SubmitChanges is called.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2