repeate数据不能对齐？

 <asp:Repeater runat="server" ID="rpt"  >
        <HeaderTemplate>
            <table key='repeater1' width="800px">
                <thead>
                   <tr>
                    <th rowspan="4"> 队<br /><br />别</th>
                    <th colspan="2" style="width:20px">动用储量</th>
                    <th rowspan="2"> 煤层厚<br />度（m)</th>
                    <th rowspan="4">采高（m）</th>
                    <th rowspan="4">其中<br />夹石厚（m）</th>
                    <th rowspan="4">采煤<br /> 方法</th>
                    <th rowspan="4">生产<br /> 起止<br />日期</th>
                   <th rowspan="4">生产<br /> 天数</th>
                    <th rowspan="4">循环<br /> 日产<br />（T）</th>
                     <th colspan="2">进度（m)</th>
                   <th colspan="2">产量（T)</th>
                   <th rowspan="4"> 备用工作<br />面掘出时<br />间</th>
                    <th rowspan="4"> 备注</th>
                   </tr>

                   <tr>
                    <th rowspan="3">走向</th>
                    <th rowspan="3">面长</th>
                    <th rowspan="3">日进</th>
                    <th rowspan="3">总进</th>
                     <th rowspan="3">日产</th>
                    <th rowspan="3">总产</th>
                   </tr>

                   <tr>
                   <th rowspan="2">最小～最大</th>
                   </tr>
                </thead>
                <tbody>
        </HeaderTemplate>
        <ItemTemplate>
            <tr>
                <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                 <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                 <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                 <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                   <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                   <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                    <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                     <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                     <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                   <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                     <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                       <td width=""> <%# (Eval("kjdm").ToString())%> </td>
                    <td width=""> <%# (Eval("kjdm").ToString())%> </td>

            </tr>
        </ItemTemplate>
        <FooterTemplate>
            </tbody> 
            </table>
        </FooterTemplate>
    </asp:Repeater>

运行后通过浏览器看效果，不要在vs里面看，解析不对vs，浏览器是对的

你用的是table tr td,在这些标签里面写对齐，align=center 或者用Css 写style="text-align:center"