partial void Deletepermission(permission instance);
		private void detach_permissions(permission entity)
		{
			this.SendPropertyChanging();
			entity.ProjectInfo = null;
		}
 partial void Insertpermission(permission instance);
 partial void Updatepermission(permission instance);
		private void attach_permissions(permission entity)
		{
			this.SendPropertyChanging();
			entity.user = this;
		}