combogrid后台request取不到值

[snlixing]

<select name='buyer' id="buyer" class="easyui-combogrid" style="width:100%" data-options="
panelWidth: 400,
idField: 'WS_CIID',
textField: 'WS_CustomInfoName',
url: 'datagrid_data1.asp',
method: 'get',
columns: [[
{field:'WS_CIID',title:'序号',width:20},
{field:'WS_CustomCode',title:'简 码',width:20},
{field:'WS_CustomInfoName',title:'名 称',width:80},
{field:'WS_CustomInfoAddress',title:'地 址',width:120}
]],
                    onChange: function(now, old) { alert($('#buyer').combobox('getValue')); },
fitColumns: true
" >
</select>

后台  request("buyer")为什么得不到数据

[snlixing]

后台怎么取到值呢

[snlixing]

这个问题难道很难吗。。。

[夜游灞水]

form submit后可以取值。