title: Timestamp as part of composite primary key?
body: <p>I get this error when using linq-to-sql with timestamp as part of a composite primary key:</p>
  
  <p>"The primary key column of type 'Timestamp' cannot be generated by the server."</p>
  
  <p>I'm guessing this may be due to the fact timestamp is just a row version thus perhaps it must be created after the insert? Or...</p>