Asp.net Gridview 导出到Excel【解决编码乱码问题】

public override void VerifyRenderingInServerForm(Control control)    { }    protected void LinkButton2_Click(object sender, EventArgs e)    {        Response.Clear();        Response.Buffer = true;        Response.Charset = "gb2312";        Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");        Response.AppendHeader("content-disposition", "attachment;filename=\"" + System.Web.HttpUtility.UrlEncode("数据导出", System.Text.Encoding.UTF8) + ".xls\"");        Response.ContentType = "Application/ms-excel";        System.IO.StringWriter oStringWriter = new System.IO.StringWriter();        System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);        this.Label1.RenderControl(oHtmlTextWriter);        this.GridView1.RenderControl(oHtmlTextWriter);        Response.Output.Write(oStringWriter.ToString());        Response.Flush();        Response.End();    }