最近要把HTML页面中的Table导出到Excel中去，可是Table的样式没有在Excel中显示出来，后来百度了一下，也买发现解决办法，大部分都提到了NPOI插件去解决，但是因为时间少没时间去看，后来自己尝试了把导出到Excel中的字符串写入文本看了下，然后在复制到一个html页面才发现是样式的问题。最后使用行内样式解决了问题。
html页面的代码：
<table id="datatable" class="panelContentTopTable" width="100%" runat="server">
<tr>
<td class="gridBorder" style="padding: 3px 3px 3px 3px;">
<cc1:CustRepeater ID="CustRepeater1" runat="server" OnItemDataBound="CustRepeater1_ItemDataBound">
<HeaderTemplate>
<!--开始-->
<table id="datatable" width="100%" cellpadding="0" cellspacing="0" style="border-width: 0px;
border-left: solid 1px #94D4F8; border-top: #94D4F8 1px solid; width: 100%;">
<tr style="text-align: center; font-weight: bold; text-align: center; background: #D2F1FD;">
<td rowspan="2" style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
单位名称
</td>
<td rowspan="2" style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
设备在线
</td>
<td rowspan="2" style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
设备离线
</td>
<td colspan="5" style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
当前故障情况
</td>
</tr>
<tr style="text-align: center; font-weight: bold; text-align: center; background: #D2F1FD;">
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
待受理
</td>
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
待完工
</td>
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
待程序检测
</td>
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
待人工确认
</td>
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
报修总数
</td>
</tr>
</HeaderTemplate>
<ItemTemplate>
<tr style="text-align: center;">
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
<cc1:CustLabel ID="lblCountTypeName" Text='<%# Eval("CountTypeName").ToString() %>'
runat="server" />
</td>
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
<cc1:CustLabel ID="CameraOnline" Text='<%# setnotnull(Eval("EquOnlineCount").ToString()) %>'
runat="server" />
</td>
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
<cc1:CustLabel ID="CameraOffline" Text='<%# setnotnull(Eval("EquOfflineCount").ToString()) %>'
runat="server" />
</td>
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
<cc1:CustLabel ID="lblRepairForResponse" Text='<%# setnotnull(Eval("RepairForResponse").ToString()) %>'
runat="server" />
</td>
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
<cc1:CustLabel ID="OnResponse" Text='<%# setnotnull(Eval("RepairForWorkFinish").ToString()) %>'
runat="server" />
</td>
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
<cc1:CustLabel ID="OnRepair" Text='<%# setnotnull(Eval("RepairForProgramCheck").ToString()) %>'
runat="server" />
</td>
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
<cc1:CustLabel ID="ForAudit" Text='<%# setnotnull(Eval("RepairForManualCheck").ToString()) %>'
runat="server" />
</td>
<td style="padding: 2px; border-right: solid 1px #94D4F8; border-bottom: solid 1px #94D4F8;
height: 22px; font-size: 13px;">
<cc1:CustLabel ID="Appeal" Text='<%# setnotnull(Eval("RepCount").ToString()) %>'
runat="server" />
</td>
</tr>
</ItemTemplate>
<FooterTemplate>
<%--<tr style="text-align: center;">
<td>
合计
</td>
<td>
0
</td>
<td>
0
</td>
<td>
0
</td>
<td>
0
</td>
<td>
0
</td>
<td>
0
</td>
<td>
0
</td>
</tr>--%>
</table>
<!--结束-->
</FooterTemplate>
</cc1:CustRepeater>
</td>
</tr>
</table>Response.ClearContent();
Response.Buffer = true;
Response.AddHeader("content-disposition", "attachment; filename=MyExcelFile.xls");
Response.ContentType = "application/ms-excel";
StringWriter sw = new StringWriter();
HtmlTextWriter htw = new HtmlTextWriter(sw);
datatable.RenderControl(htw);
Response.Write(sw.ToString());
Response.End();其实只需要把以前写在class里面的样式直接写成行内样式就可以解决了，下面是页面效果
Excel中的效果：
