To execute update operations on an MBO, get an instance of the MBO, set the MBO attributes, then call either the Save() or Update() operations.
Customer cust = Customer.FindByPrimaryKey(101); cust.Fname = "supAdmin"; cust.Company_name = "Sybase"; cust.Phone = "777-8888"; cust.Update();// or cust.Save(); cust.SubmitPending();