colModel:[ {name:'id',index:'id', width:55,editable:false,editoptions:{readonly:true,size:10}}, {name:'invdate',index:'invdate', width:80,editable:true,editoptions:{size:10}}, {name:'name',index:'name', width:90,editable:true,editoptions:{size:25}}, {name:'amount',index:'amount', width:60, align:”right”,editable:true,editoptions:{size:10}}, {name:'tax',index:'tax', width:60, align:”right”,editable:true,editoptions:{size:10}}, {name:'total',index:'total', width:60,align:”right”,editable:true,editoptions:{size:10}}, {name:'closed',index:'closed',width:55,align:'center',editable:true,edittype:”checkbox”,editoptions:{value:”Yes:No”}}, {name:'ship_via',index:'ship_via',width:70, editable: true,edittype:”select”,editoptions:{value:”FE:FedEx;TN:TNT”}}, {name:'note',index:'note', width:100, sortable:false,editable: true,edittype:”textarea”, editoptions:{rows:”2″,cols:”20″}} ],

this select/dropdown