public bool Update(ProgramClassStudent obj)
{
try
{
_db.SubmitChanges();
}
catch (Exception ex)
{
Debug.Print(ex.Message);
return(false);
}
return(true);
}
public int Add(ProgramClassStudent obj)
{
try
{
_db.ProgramClassStudents.InsertOnSubmit(obj);
_db.SubmitChanges();
}
catch (Exception ex)
{
Debug.Print(ex.Message);
return(-1);
}
return(_db.ProgramClassStudents.Max(x => x.ProgramClassStudentId));
}