如何防止將某些html導出爲excel文件時丟失css？

我導出HTML表到excel文件成功地使用下面的代碼如何防止將某些html導出爲excel文件時丟失css？

public void exportGridToExcel(Control ctl) 
    { 
     string attachment = "attachment; filename=etrack_excel_export.xls"; 
     HttpContext.Current.Response.ClearContent(); 
     HttpContext.Current.Response.AddHeader("content-disposition", attachment); 
     HttpContext.Current.Response.ContentType = "application/ms-excel"; 
     StringWriter stw = new StringWriter(); 
     HtmlTextWriter htextw = new HtmlTextWriter(stw); 

     ctl.RenderControl(htextw); 
     HttpContext.Current.Response.Write(stw.ToString()); 
     HttpContext.Current.Response.End(); 
    }

的問題是，出口我已經申請表中所有的CSS中的Excel文件丟失後，我怎樣才能防止來自CSS失蹤？

來源

2013-10-21 Karamafrooz

我終於得到了什麼！我與任何人誰擁有了同樣的問題分享：

 string attachment = "attachment; filename=etrack_excel_export.xls"; 
     HttpContext.Current.Response.ClearContent(); 
     HttpContext.Current.Response.AddHeader("content-disposition", attachment); 
     HttpContext.Current.Response.ContentType = "application/ms-excel"; 
     StringWriter stw = new StringWriter(); 
     HtmlTextWriter htextw = new HtmlTextWriter(stw); 
     ctl.RenderControl(htextw); 
     HttpContext.Current.Response.Write(stw.ToString()); 
     FileInfo fi = new FileInfo(Server.MapPath("../Content/Styles/StyleSheet.css")); 
     System.Text.StringBuilder sb = new System.Text.StringBuilder(); 
     StreamReader sr = fi.OpenText(); 
     while (sr.Peek() >= 0) 
     { 
      sb.Append(sr.ReadLine()); 
     } 
     sr.Close(); 
     Response.Write("<html><head><style type='text/css'>" + sb.ToString() + "</style></head>" + stw.ToString() + "</html>"); 
     stw = null; 
     htextw = null; 
     Response.Flush(); 
     Response.End();

來源

2013-10-22 10:17:41 Karamafrooz

嗨，我面臨着同樣的問題，我試圖讀取丟失的CSS文件，像你這樣，但仍然得到同樣的錯誤:(任何建議？ – Richa

如何防止將某些html導出爲ex​​cel文件時丟失css？

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如何防止將某些html導出爲excel文件時丟失css？