Update lib/Grid/Advanced.php
Update lib/Grid/Advanced.php

no more needed check for method existence in Model
atk4/atk4,xepan/atk4,atk4/atk4,samratcis/atk4,xepan/atk4,atk4/atk4,atk4/atk4,samratcis/atk4,svisystem/atk4,svisystem/atk4,samratcis/atk4,svisystem/atk4,xepan/atk4