GridView导出到Excel的最快方法？

Question

有近万行数据，用哪种方法把GridView导出到Excel最快？

Answer 1

http://www.cnblogs.com/lovecherry/archive/2005/03/25/125519.html

Answer 2

Response.ContentType = "application/vnd.ms-excel"; 
Response.Charset = ""; 
this.EnableViewState = false ; 
System.IO.StringWriter sw = new System.IO.StringWriter(); 
System.Web.UI.HtmlTextWriter hw = new HtmlTextWriter(sw); 
this.GridView1.RenderControl(hw); 
Response.Write(sw.ToString()); 
Response.End();