c#转Exce问题

private   void   Excel()
    {
          Response.Clear();
　　                 Response.Buffer=   true;
　　                 Response.Charset= "GB2312 ";

                      Response.AppendHeader( "Content-Disposition ", "attachment;filename=FileFlow.xls ");
　　                 Response.ContentEncoding=System.Text.Encoding.GetEncoding( "GB2312 ");
　　                
　　                 Response.ContentType   =   "application/ms-excel ";
　　                 this.EnableViewState   =   false;

　　                 System.IO.StringWriter   oStringWriter   =   new   System.IO.StringWriter();
　　                 System.Web.UI.HtmlTextWriter   oHtmlTextWriter   =   new   System.Web.UI.HtmlTextWriter(oStringWriter);

this.RenderControl(oHtmlTextWriter);
　　              
　　                 Response.Write(oStringWriter.ToString());
　　                 Response.End();
}

------解决方案--------------------
？
------解决方案--------------------
导出
protected void Button1_Click(object sender, EventArgs e)
{
Export( "application/ms-excel ", "学生成绩报表.xls ");
}

private void Export(string FileType, string FileName)
{
Response.Charset = "GB2312 ";
Response.ContentEncoding = System.Text.Encoding.UTF7;
Response.AppendHeader( "Content-Disposition ", "attachment;filename= " + HttpUtility.UrlEncode(FileName, Encoding.UTF8).ToString());
Response.ContentType = FileType;
this.EnableViewState = false;
StringWriter tw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(tw);
GridView1.RenderControl(hw);
Response.Write(tw.ToString());
Response.End();
}


------解决方案--------------------
什么叫 "以上的代碼是把整個web頁面导出了Excel 。
請教:怎么把数据库查询出的资料导成excel？謝謝 ! "

你想从数据库里查询出来就导成excel的话,你直接用查询分析器好了啊,你手动复制一下,打开一个excel,粘贴一下就可以了,呵呵.参考以下的页面,有好多.
http://www.yxsoft.net.cn/Article/aspnet2/200705/492.html