How to add a Global.asax.cs to a website

Global.asax is the asp.net application file. It is an optional file that handles events raised by ASP.NET or by HttpModules. It is used to handle server aoplication-level and session-level events.Fo example, used for application and session start/end events and for global error handling. When used, it should be in the root of the website. Only one Global.asax can be found in any project/website.

When creating a web application project, you have a Global.asax and its corresponding Global.asax.cs. However, in a web application the class (Global.asax.cs) cannot be created.

The created Global.asax starts with
<%@ Application  Language="C#" %>
And looks like the following image

To add Global.asax.cs
Choose your solution=> Add => Class
Save it as Global.asax.cs,
It must be saved in App_Code to be compiled correctly.

Even if you didn't save it to App_code, you will get the following warning:

Next cut code (without the tags, just c# code) from Global.asax and paste it to Global.asax.cs, as follows:

public class Global : System.Web.HttpApplication

{

    protected void Application_Start()

    {

       

    }

    void Application_Error(object sender, EventArgs e)

    {

        // Code that runs when an unhandled error occur

    }

    void Session_Start(object sender, EventArgs e)

    {

        // Code that runs when a new session is started.

    }

}

And in Global.asax leave only this line:
<%@ Application Codebehind="Global.asax.cs" Inherits="Global" Language="C#" %>

Thanks,

Nerdy Geeky J!