partial void DeleteBlogPost_BlogCategory(BlogPost_BlogCategory instance);
 partial void UpdateBlogPost_BlogCategory(BlogPost_BlogCategory instance);
		private void detach_BlogPost_BlogCategories(BlogPost_BlogCategory entity)
		{
			this.SendPropertyChanging();
			entity.BlogCategory = null;
		}
 partial void InsertBlogPost_BlogCategory(BlogPost_BlogCategory instance);
		private void attach_BlogPost_BlogCategories(BlogPost_BlogCategory entity)
		{
			this.SendPropertyChanging();
			entity.BlogPost = this;
		}