partial void DeleteUserXServer(UserXServer instance);
 partial void UpdateUserXServer(UserXServer instance);
		private void detach_UserXServers(UserXServer entity)
		{
			this.SendPropertyChanging();
			entity.Server = null;
		}
 partial void InsertUserXServer(UserXServer instance);
		private void attach_UserXServers(UserXServer entity)
		{
			this.SendPropertyChanging();
			entity.Server = this;
		}