会话和申请柜台 [英] session & application counter

问题描述

想了解asp.net中有关会话和应用程序变量的简单示例.
我已经创建了3个页面，我正在从a导航到b，从b导航到c，然后再次从c导航到a.我希望会话计数器增加1.当我返回到"a"页时.但是会话计数器将增加2，而不是1.

请提出所需的输出.

在此先感谢..

Hi,

Would like to know simple examples on Session & application variable in asp.net.
I have created 3 pages, I am navigating from a to b, b to c, & again c to a. I would like to have the session counter to increase by 1. When i return back on pag e ''a''. But the session counter is increasing by 2 instead of 1.

Kindly suggest the desired output.

Thanks in advance..

推荐答案

这里是解决此问题的快速方法.

首先，创建一个将处理您的SessionCounter的类；

Here''s a quick fix for that.

First, create a class that will handle your SessionCounter;

public class SessionCounter {
   public SessionCounter() {
      Counter = 1;
      LastPage = "A";
   }

   public int Counter { get; set; }
   public string LastPage { get; set; }
}

然后在您的网页上将此内容插入您的Page_Load

Then on your webpage insert this on your Page_Load

protected void Page_Load(object sender, EventArgs e) {
            if (!IsPostBack) {
                SessionCounter sc = new SessionCounter();

                if (Session["SessionCounter"] != null) {
                    sc = (SessionCounter)Session["SessionCounter"];

                    //put your page letter here as the last page to trigger the increment 
                    //In your case, its page C
                    if (sc.LastPage == "C") {
                        sc.Counter++;
                    }

                    //put your page letter here (sample is for page A)
                    //update this per page
                    sc.LastPage = "A";
                }

                Session["SessionCounter"] = sc;
            }
        }

祝你好运！

Good luck!

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