changwen313
changwen313
2017-08-22 08:46

.net gridview导出成excel,但是汉字是乱码,请高手给看看。

10
  • 乱码
protected void btnExcel_Click(object sender, EventArgs e)
{
    DateTime dt = System.DateTime.Now;
    string str = dt.ToString("yyyyMMddhhmmss");
    str = str + "-汇总.xls";

    selectFlag = 1;
    GridView2.AllowPaging = false;

    SelectGetData();
    GridViewToExcel(GridView2, "application/ms-excel", str);


}

/// <summary>
/// 将网格数据导出到Excel
/// </summary>
/// <param name="ctrl">网格名称(如GridView1)</param>
/// <param name="FileType">要导出的文件类型(Excel:application/ms-excel)</param>
/// <param name="FileName">要保存的文件名</param>
public static void GridViewToExcel(Control ctrl, string FileType, string FileName)
{
    HttpContext.Current.Response.Clear();
    HttpContext.Current.Response.Buffer = false;
    HttpContext.Current.Response.Charset = "GB2312";
    HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");//注意编码
    HttpContext.Current.Response.AppendHeader("Content-Disposition",
       "attachment;filename=" + HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8).ToString());
    //HttpContext.Current.Response.AddHeader(
          // "content-disposition", string.Format("attachment; filename={0}", FileName));                                     
   // HttpContext.Current.Response.ContentType = FileType;//image/JPEG;text/HTML;image/GIF;vnd.ms-excel/msword 
    HttpContext.Current.Response.ContentType = "application/ms-excel";
    HttpContext.Current.Response.Write("<meta http-equiv=Content-Type content=/text/html; charset=GB2312/>");
    ctrl.Page.EnableViewState = false;
    StringWriter tw = new StringWriter();
                    HtmlTextWriter hw = new HtmlTextWriter(tw);
    ctrl.RenderControl(hw);
    HttpContext.Current.Response.Write(tw.ToString());
    HttpContext.Current.Response.End();
}
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