var mStream = Excel.GetUtil(filename).GetStream(ds.Tables[0]);
MemoryStream ms = mStream as MemoryStream;
Response.ContentType = "application/vnd.ms-excel";
HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(filename, System.Text.Encoding.UTF8));
Response.AddHeader("Content-Length", ms.ToArray().Length.ToString());
System.IO.File.WriteAllBytes(HttpRuntime.AppDomainAppPath + "\\uploadfile\\" + filename, ms.GetBuffer());
var util = Excel.GetUtil(filename);
Response.BinaryWrite(ms.ToArray());
点击导出excel按钮后，弹出防止多次点击的div，但是当excel导出完成后，div无法消失，也就是在导出excel后的语句无法执行，有没有人遇到过这种情况，求解啊。。。。。
