Default.aspx源代码:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="Form1" method="post" runat="server">
<font face="宋体">您是第<%=Application["counter"]%>位访问者!</font>
</form>
</body>
</html>
Global.asax源代码:
<%@ Application Src="Global.asax.cs" Inherits="webCounter.Global" %>Global.asax.cs源代码:
using System;
using System.Collections;
using System.ComponentModel;
using System.Web;
using System.Web.SessionState;
using System.IO;
namespace webCounter
{
public class Global : System.Web.HttpApplication
{
protected void Application_Start(Object sender, EventArgs e)
{
uint count = 0;
StreamReader srd;
//取得文件的实际路径
string file_path = Server.MapPath("counter.txt");
//打开文件进行读取
srd = File.OpenText(file_path);
while (srd.Peek() != -1)
{
string str = srd.ReadLine();
count = UInt32.Parse(str);
}
object obj = count;
Application["counter"] = obj;
srd.Close();
} protected void Session_Start(Object sender, EventArgs e)
{
Application.Lock();
//数值累加,注意这里使用了装箱(boxing)
uint jishu = 0;
jishu = (uint)Application["counter"];
jishu = jishu + 1;
object obj = jishu;
Application["counter"] = obj;
//将数据记录写入文件
string file_path = Server.MapPath("counter.txt");
StreamWriter fs = new StreamWriter(file_path, false);
fs.WriteLine(jishu);
fs.Close();
Application.UnLock();
}
protected void Application_BeginRequest(Object sender, EventArgs e)
{
}
protected void Application_EndRequest(Object sender, EventArgs e)
{
}
protected void Session_End(Object sender, EventArgs e)
{
}
protected void Application_End(Object sender, EventArgs e)
{
//装箱
uint js = 0;
js = (uint)Application["counter"];
//object obj=js;
//Application["counter"]=js;
//将数据记录写入文件
string file_path = Server.MapPath("counter.txt");
StreamWriter fs = new StreamWriter(file_path, false);
fs.WriteLine(js);
fs.Close();
}
}
}
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="Form1" method="post" runat="server">
<font face="宋体">您是第<%=Application["counter"]%>位访问者!</font>
</form>
</body>
</html>
Global.asax源代码:
<%@ Application Src="Global.asax.cs" Inherits="webCounter.Global" %>Global.asax.cs源代码:
using System;
using System.Collections;
using System.ComponentModel;
using System.Web;
using System.Web.SessionState;
using System.IO;
namespace webCounter
{
public class Global : System.Web.HttpApplication
{
protected void Application_Start(Object sender, EventArgs e)
{
uint count = 0;
StreamReader srd;
//取得文件的实际路径
string file_path = Server.MapPath("counter.txt");
//打开文件进行读取
srd = File.OpenText(file_path);
while (srd.Peek() != -1)
{
string str = srd.ReadLine();
count = UInt32.Parse(str);
}
object obj = count;
Application["counter"] = obj;
srd.Close();
} protected void Session_Start(Object sender, EventArgs e)
{
Application.Lock();
//数值累加,注意这里使用了装箱(boxing)
uint jishu = 0;
jishu = (uint)Application["counter"];
jishu = jishu + 1;
object obj = jishu;
Application["counter"] = obj;
//将数据记录写入文件
string file_path = Server.MapPath("counter.txt");
StreamWriter fs = new StreamWriter(file_path, false);
fs.WriteLine(jishu);
fs.Close();
Application.UnLock();
}
protected void Application_BeginRequest(Object sender, EventArgs e)
{
}
protected void Application_EndRequest(Object sender, EventArgs e)
{
}
protected void Session_End(Object sender, EventArgs e)
{
}
protected void Application_End(Object sender, EventArgs e)
{
//装箱
uint js = 0;
js = (uint)Application["counter"];
//object obj=js;
//Application["counter"]=js;
//将数据记录写入文件
string file_path = Server.MapPath("counter.txt");
StreamWriter fs = new StreamWriter(file_path, false);
fs.WriteLine(js);
fs.Close();
}
}
}
Use the "new" keyword to create an objcet instance..另外请教下各位的学习方法,我原来做过很长时间的Asp编程,现在想学习.Net和C#感觉,无从下手,编程思路什么的都懂,就是不知道代码往哪儿写。