现在我用html中的 <table>的rowspan方法，拼出了一个多层表头的table，数据从数据库取出后显示到页面上。
现在要把这个table导出到excel中。，
求解决方法。
PS：刚才上网找了下，没有太好的解答。希望高手光临！！！！！！！！！！
取table中的数据困难？
C# code:
/// <summary>
/// 导出EXCEL方法
/// </summary>
/// <param name="page"></param>
/// <param name="fileName"></param>
/// <param name="html"></param>
protected void ExportDsToXls(Page page, string fileName, string html)
{
System.IO.StringWriter tw = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter(tw);
Response.Clear();
Response.Charset = "gb2312";
Response.ContentType = "application/vnd.ms-excel";
Response.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
Response.AppendHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(fileName) + ".xls");
Response.Write("<html><head><META http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\"></head><body>");
Response.Write(ht
