checkbox list ,requried field validator

 

 
                if (checkedControls.length > 0) {
                    alert('Valid');
                }
                else {
                    alert('Please select atleast one checkbox');
                }
                return false;
            });
        }); 
    
    


    

            runat="server">
        Cutomer Broker
        N.V.O.C.C
        Hauloiers
        Air Freight
        Sea Freight
        Supply Chain Management
        Groupage Services
        Project Cargo
        Ware House Operator