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This article focuses on "how to add Session judgment to each page". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to add Session judgment to each page.

First create a new class, inherit from System.Web.UI.Page, and then rewrite OnInit, as follows:

The copy code is as follows:

Using System

Using System.Data

Using System.Configuration

Using System.Linq

Using System.Web

Using System.Web.Security

Using System.Web.UI

Using System.Web.UI.HtmlControls

Using System.Web.UI.WebControls

Using System.Web.UI.WebControls.WebParts

Namespace FuSession

{

Public class JudgeSession: System.Web.UI.Page

{

Protected override void OnInit (EventArgs e)

{

Base.OnInit (e)

If (Session.Keys.Count

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