private void detach_MstUserForms(MstUserForm entity)
		{
			this.SendPropertyChanging();
			entity.SysForm = null;
		}
		private void attach_MstUserForms(MstUserForm entity)
		{
			this.SendPropertyChanging();
			entity.MstUser = this;
		}
 partial void UpdateMstUserForm(MstUserForm instance);
 partial void DeleteMstUserForm(MstUserForm instance);
 partial void InsertMstUserForm(MstUserForm instance);