摘要：
为什么有时候在EF 中删除不了表呢？先上代码：var deleteObj = adminDpProEntity.ToTAdminDpPro();_db.t_sys_admin_dp_product.DeleteObject(deleteObj);报错：The object cannot be deleted because it was not found in the ObjectStateManager。一搜索：原来是因为DeleteObject方法必须是先关联实体，或者实体来自查询。代码改为_db.t_sys_admin_dp_product.Attach(deleteObj); ... 阅读全文
