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Application.Lock();
Application.["UserCount"]=0;
Application.Unlock();
Session_StartʼþÖмÓÈëÒÔÏ´úÂ룺
Application.Lock();
Application["UserCount']=Int32.Parse(Application["UserCount"].Tostring())+1;
Application.UnLock();
Session_EndʼþÖмÓÈëÒÔÏ´úÂ룺
Application.Lock();
Application["UserCount"]=Int32.Parse(Application["UserCount"].Tostring())-1;
Application.UnLock();
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Response.Write(Application["UserCount"].Tostring());
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<%@ 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 ......
substring
public String substring(int beginIndex)·µ»ØÒ»¸öеÄ×Ö·û´®£¬ËüÊÇ´Ë×Ö·û´®µÄÒ»¸ö×Ó×Ö·û´®¡£¸Ã×Ó×Ö·û´®Ê¼ÓÚÖ¸¶¨Ë÷Òý´¦µÄ×Ö·û£¬Ò»Ö±µ½´Ë×Ö·û´®Ä©Î²¡£
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"unhappy".substring(2) returns "happy"
"Harbison".substring(3) returns "bison"
"emptiness".substring(9) returns "" (an empty string)
² ......
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-- ÔÚÊʵ±Î»ÖüÓÈë´úÂ룺
<asp:ContentPlaceHolder ID="ContentPlaceHolder3" runat="server">
...ÕâÖ®¼äµÄÄÚÈÝÈç¹ûûÓÐContentÄÚÈÝ£¬½«»áµÃµ½ÏÔʾ£»
...Èç¹ûÓÐContentÄÚÈÝ£¬½«»á±»ContentÄÚÈÝÌæ»»µô
</asp:ContentPlaceHolder>
ContentÒ³Ãæ
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-- ÔÚÊʵ± ......
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protected void Application_Start(Object sender, EventArgs e)
{
System.Timers.Timer timer1 = new System.Timers.Timer();
&nbs ......
The Model-View-Controller (MVC) architectural pattern separates an application into three main components: the model, the view, and the controller. The ASP.NET MVC framework provides an alternative to the ASP.NET Web Forms pattern for creating MVC-based Web applications. The ASP.NET MVC framework is ......