private void detach_Ref_FileTags(Ref_FileTag entity)
		{
			this.SendPropertyChanging();
			entity.File = null;
		}
		private void attach_Ref_FileTags(Ref_FileTag entity)
		{
			this.SendPropertyChanging();
			entity.File = this;
		}
 partial void UpdateRef_FileTag(Ref_FileTag instance);
 partial void DeleteRef_FileTag(Ref_FileTag instance);
 partial void InsertRef_FileTag(Ref_FileTag instance);