How to: Represent Columns as Timestamp or Version Columns (LINQ to SQL)
Use the LINQ to SQL IsVersion property of the ColumnAttribute attribute to designate a field or property as representing a database column that holds database timestamps or version numbers.
For code examples, see IsVersion.
To designate a field or property as representing a timestamp or version column
Add the IsVersion property to the ColumnAttribute attribute.
Set the IsVersion property value to true.
See Also
Tasks
How to: Specify Which Members are Tested for Concurrency Conflicts (LINQ to SQL)
Concepts
Other Resources
How to: Customize Entity Classes by Using the Code Editor (LINQ to SQL)