ADO.net STMT Generated by CommandBuilder

CommandText: "UPDATE employees SET empno = ?, ename = ?, 
   job = ?, mgr = ?, hiredate = ?, sal = ?, comm = ?, 
   dept = ? 
   WHERE (
      (empno = ?) AND (ename = ?) AND 
      (job = ?) AND ((mgr IS NULL and ? IS NULL) OR (mgr = ?)) 
      AND (hiredate = ?) AND (sal = ?) AND (
         (comm IS NULL AND ? IS NULL) OR 
         (comm = ?)) AND (dept = ?))"