webform 不实用office控件导出excel StringBuilder 类型拼接字符串表格导出excel

StringBuilder sb = new StringBuilder();

 sb.AppendLine("<meta http-equiv="Content-Type" content="text/html; charset=gb2312">");

sb.AppendLine("<table border="1">");
sb.Append("<tr><td>需要插入的内容，按个人需求</td></tr>");
sb.AppendLine("</table");

   //导出格式为xls并进行转码    name为保存excel的路径  
name="D:aab.xls";
StreamWriter sw = new StreamWriter(name,false,Encoding.GetEncoding("gb2312"));
 sw.WriteLine(sb.ToString());
sw.Close();