Transform DataGrid 套用格式

<table class="easyui-datagrid" title="Transform DataGrid" style="500px;height:auto" data-options="fitColumns:false,rownumbers:true,singleSelect:true,collapsible:true,iconCls:'icon-save'">
    <thead>
        <tr>
            <th data-options="field:'itemid',100">Item ID</th>
            <th data-options="field:'productid',100">Product</th>
            <th data-options="field:'listprice',100,align:'right'">List Price</th>
            <th data-options="field:'attr1',168">Attribute</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>EST-1</td>
            <td>FI-SW-01</td>
            <td>36.50</td>
            <td>Large</td>
        </tr>
        <tr>
            <td>EST-10</td>
            <td>K9-DL-01</td>
            <td>18.50</td>
            <td>Spotted Adult Female</td>
        </tr>
        <tr>
            <td>EST-11</td>
            <td>RP-SN-01</td>
            <td>28.50</td>
            <td>Venomless</td>
        </tr>
        <tr>
            <td>EST-12</td>
            <td>RP-SN-01</td>
            <td>26.50</td>
            <td>Rattleless</td>
        </tr>
        <tr>
            <td>EST-13</td>
            <td>RP-LI-02</td>
            <td>35.50</td>
            <td>Green Adult</td>
        </tr>
    </tbody>
</table>

fitColumns　　并不能正确设置所有列宽，应手工设置列宽，调整至合适，并在各版本浏览器测试。