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   Response.Clear();    
   Response.Buffer=   true;    
   Response.AppendHeader("Content-Disposition","attachment;filename="+DateTime.Now.ToString("yyyyMMdd")+".xls");          
   Response.ContentEncoding=System.Text.Encoding.UTF8;  
   Response.ContentType   =   "application/vnd.ms-excel";  
   this.EnableViewState   =   false;  
ÕâÀïÎÒÃÇÀûÓÃÁËContentTypeÊôÐÔ£¬ËüĬÈϵÄÊôÐÔΪtext/html£¬Õâʱ½«Êä³öΪ³¬Îı¾£¬¼´ÎÒÃdz£¼ûµÄÍøÒ³¸ñʽµ½¿Í»§¶Ë£¬Èç¹û¸ÄΪms-excel½«½«Êä³öexcel¸ñʽ£¬Ò²¾ÍÊÇ˵ÒÔµç×Ó±í¸ñµÄ¸ñʽÊä³öµ½¿Í»§¶Ë£¬Õâʱä¯ÀÀÆ÷½«ÌáʾÄãÏÂÔØ±£´æ¡£ContentTypeµÄÊôÐÔ»¹°üÀ¨£ºimage/JPEG;text/HTML;image/GIF;vnd.ms-excel/msword ¡£Í¬Àí£¬ÎÒÃÇÒ²¿ÉÒÔÊä³ö(µ¼³ö)ͼƬ¡¢wordÎĵµµÈ¡£ÏÂÃæµÄ·½·¨£¬Ò²¾ùÓÃÁËÕâ¸öÊôÐÔ¡£
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System.Web.UI.Control ctl=this.DataGrid1;
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HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename=Excel.xls");
HttpContext.Current.Response.Charset ="UTF-8";    
HttpContext.Current.Response.ContentEncoding =System.Text.Encoding.Default;
HttpContext.Current.Response.ContentType ="application/ms-excel";
ctl.Page.EnableViewState =false;   
System.IO.StringWriter  tw = new System.IO.StringWriter() ;
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Public Function PageControl(iCount,pagecount,page,table_style,font_style,colspan)
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    action = "http://" & Request.ServerVariables("HTTP_HOST") & Request. ......

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Option Explicit
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'location
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'   ×Ö¶Î
'   loactionid  £¨Ö÷¼ü£©
'   loactionname Ãû×Ö
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function IsNumber(str)
if RegPatrn("^-?[1-9]\d*$",str) or RegPatrn("^-?([1-9]\d*\.\d*|0\.\d*[1-9]\d*|0?\.0+|0)$",str) then
IsNumber=true
else
IsNumber=false
end if
end function
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Function RegPatrn(patrn, strng)
RegPatrn = false
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