partial void DeleteT_POItem(T_POItem instance);
partial void UpdateT_POItem(T_POItem instance);
partial void InsertT_POItem(T_POItem instance);
private void detach_T_POItem(T_POItem entity) { this.SendPropertyChanging(); entity.T_Item = null; }
private void attach_T_POItem(T_POItem entity) { this.SendPropertyChanging(); entity.T_Item = this; }
private void attach_T_POItem(T_POItem entity) { this.SendPropertyChanging(); entity.T_PurchaseOrder = this; }