从前台页面获取ext grid列

<script  defer language="javascript" >
	Ext.onReady(
		function(){
			var p = BO_SUPPLIER_DRUG.Grid.getGridPanel();
			p.getColumnModel().setHidden(p.getColumnModel().findColumnIndex("SUPPLIERID"),true);
			p.getColumnModel().setHidden(p.getColumnModel().findColumnIndex("PRODUCTID"),true);
		}
	);
</script>