问题绑定WinForms CheckBox到SubSonic DAL布尔值

I am trying to bind a SubSonic 2.1 generated DAL object to a WinForm (VB.NET VS2005). In order to work around the lack of IPropertyNotifyChanged implementation, in my binding method I am doing a controlname.DataBindings.Clear() before a controlname.DataBindings.Add() for each control I want to bind.I am trying to bind a SubSonic 2.1 generated DA