Description = salesChannelEntity.Description }但是,在强制转换SalesChannel对象时,我得到了以下错误:
The ObjectContext instance has been disposed and can no longer be used for operations that require我认为在SalesChannel课堂上的角色转换是不正确的。
Controls.Clear();在User Control中,我可以放入任何东西,除了我关于这个错误消息的问题:
The ObjectContext instance has been disposed and can no longer be used for operations that require我与在CtrlListContractors中显示为GridView的表有一些关系,当我单击菜单按钮显示