setvalue.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Set Value for ComboGrid - jQuery EasyUI Demo</title>
<link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="../../themes/icon.css">
<link rel="stylesheet" type="text/css" href="../demo.css">
<script type="text/javascript" src="../../jquery.min.js"></script>
<script type="text/javascript" src="../../jquery.easyui.min.js"></script>
</head>
<body>
<h2>Set Value for ComboGrid</h2>
<p>Click the buttons below to perform actions.</p>
<div style="margin:20px 0">
<a href="javascript:void(0)" class="easyui-linkbutton" onclick="getValue()">GetValue</a>
<a href="javascript:void(0)" class="easyui-linkbutton" onclick="setValue1()">SetValue1</a>
<a href="javascript:void(0)" class="easyui-linkbutton" onclick="setValue2()">SetValue2</a>
</div>
<div class="easyui-panel" style="width:100%;max-width:400px;padding:30px 60px;">
<div style="margin-bottom:20px">
<select id="cc" class="easyui-combogrid" style="width:100%" data-options="
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,
label: 'Select Item:',
labelPosition: 'top'
">
</select>
</div>
</div>
<script type="text/javascript">
function getValue(){
var val = $('#cc').combogrid('getValue');
alert(val);
}
function setValue1(){
$('#cc').combogrid('setValue', 'EST-13');
}
function setValue2(){
$('#cc').combogrid('setValue', {
itemid: 'customid',
productname: 'CustomName'
});
}
</script>
</body>
</html>