s="
			panelWidth: 500,
			idField: 'itemid',
			textField: 'productname',
			url: 'datagrid_data1.json',
			method: 'get',
			columns: [[
				{field:'itemid',title:'Item ID',width:80},
				{field:'productname',title:'Product',width:120},
				{field:'listprice',title:'List Price',width:80,align:'right'},
				{field:'unitcost',title:'Unit Cost',width:80,align:'right'},
				{field:'attr1',title:'Attribute',width:200},
				{field:'status',title:'Status',width:60,align:'center'}
			]],
			fitColumns: true
		">
