--------------------------------
asax文件：
<%@ControlLanguage="c#"AutoEventWireup="false"Codebehind="counter.ascx.cs"Inherits="JiAnWeb.counter"TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
<LINKhref="css.css"rel="stylesheet">
<FONTface="宋体">
<TABLEid="table_counter"cellSpacing="0"cellPadding="0"width="750"align="center"border="0"
runat="server">
<TR>
<TDstyle="HEIGHT:23px"align="center"valign=middle><IMGheight="1"alt=""src="pic\rightblueback.gif"width="700"></TD>
</TR>
<TR>
<TDalign=centervalign=middle></TD>
</TR>
</TABLE>
</FONT>
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.cs文件：
namespaceJiAnWeb
{
usingSystem;
usingSystem.Data;
usingSystem.Drawing;
usingSystem.Web;
usingSystem.Web.UI.WebControls;
usingSystem.Web.UI.HtmlControls;

///<summary>
///counter的摘要说明。
///</summary>
publicclasscounter:System.Web.UI.UserControl
{
protectedSystem.Web.UI.HtmlControls.HtmlTabletable_counter;

privatevoidPage_Load(objectsender,System.EventArgse)
{
//在此处放置用户代码以初始化页面
stringfilePath=System.Web.HttpContext.Current.Server.MapPath("hits.txt");
System.IO.StreamReadersrReadLine=newSystem.IO.StreamReader(
System.IO.File.OpenRead(filePath),
System.Text.Encoding.ASCII);//Encoding.Default是读中文
srReadLine.BaseStream.Seek(0,System.IO.SeekOrigin.Begin);//
stringcountStr="";
if(srReadLine.Peek()>-1)
{
countStr+=srReadLine.ReadLine();
}
intcount=int.Parse(countStr)+1;
countStr=count.ToString();
srReadLine.Close();
table_counter.Rows[1].Cells[0].InnerHtml="<fontcolor=\"#009900\">";
for(inti=0;i<countStr.Length;i++)
{
table_counter.Rows[1].Cells[0].InnerHtml=table_counter.Rows[1].Cells[0].InnerHtml+"<imgsrc=\"pic\\"+countStr.Substring(i,1)+".gif\">";
}
table_counter.Rows[1].Cells[0].InnerHtml+="</font>";

//Writethestringtoafile.
System.IO.StreamWriterfile=newSystem.IO.StreamWriter(filePath);
file.WriteLine(countStr,false);

file.Close();
srReadLine.Close();
}

#regionWeb窗体设计器生成的代码
overrideprotectedvoidOnInit(EventArgse)
{
//
//CODEGEN:该调用是ASP.NETWeb窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}

///<summary>
///设计器支持所需的方法-不要使用代码编辑器
///修改此方法的内容。
///</summary>
privatevoidInitializeComponent()
{
this.Load+=newSystem.EventHandler(this.Page_Load);

}
#endregion
}
}