Where are the application events in the latest Asp.Net MVC 5 version?

Question

Where are the application events in the latest Asp.Net MVC 5 version?

Arshad Nazeer 21

Hi.

I want to implement the requirement where the application counts the number of visitors to the site.

So, therefore I need to know the events like application start event which I believe is the way to count the number of user visits to my site.

I created a project .Net 8 version and asp.net mvc 5 version but could not find any application start event in the solution explorer. Earlier there was a configure method somewhere in the app to configure the app to the desired need. But couldn't find such configure method in the solution explorer now.

Can someone please help me regarding this to know how to configure the app to implement this task of counting number of visits to the site?

Thanks.

Lan Huang-MSFT 30,206 Reputation points Microsoft External Staff

2023-12-28T02:07:54.3733333+00:00
Hi @Arshad Nazeer,

I created a project .Net 8 version and asp.net mvc 5 version

Do you want to use Asp.Net MVC 5(.Net Framework）or Asp.Net Core MVC (.Net 8)?

Asp.Net MVC 5(.Net Framework）

Application start event in Global.asax file, i.e. Application_Start.

You can refer to the code below to set the count:

protected void Application_Start(object sender, EventArgs e) { Application["VisitorsCount"] = 0; } protected void Session_Start(object sender, EventArgs e) { Application.Lock(); Application["VisitorsCount"] = (int)Application["VisitorsCount"] + 1; Application.UnLock(); }

Asp.Net Core MVC (.Net 8)

App startup in ASP.NET Core
Arshad Nazeer 21 Reputation points

2023-12-28T04:23:21.2966667+00:00

I am sorry. I should have been clearer. I want to use Asp.Net Core MVC (.Net 8).

After reading the answers to my questions, I now see the difference between the Asp.Net MVC 5(.Net Framework) and Asp.Net Core MVC (.Net 8) and why there is no Glabal.asax file in the solution explorer.

Thanks for the help.

Now, can someone please tell me what file in the solution explorer help me in building visitor count use-case and how to build it?

There is no startup.cs and there is no configure method anywhere in the solution explorer files. So, I see that the architecture has changed very much and if one has to write features where one would use that method and that file, how would I do it in Asp.Net Mvc Core? How could one go about doing these tasks where one would use startup.cs and configure method in this philosophy?

class -> inheritance-> constructor dependency injection -> registration?

Thanks.

2 answers

Your answer

Lan Huang-MSFT 30,206 Reputation points Microsoft External Staff

2023-12-28T02:07:54.3733333+00:00

Hi @Arshad Nazeer,

I created a project .Net 8 version and asp.net mvc 5 version

Do you want to use Asp.Net MVC 5(.Net Framework）or Asp.Net Core MVC (.Net 8)?

Asp.Net MVC 5(.Net Framework）

Application start event in Global.asax file, i.e. Application_Start.

You can refer to the code below to set the count:

protected void Application_Start(object sender, EventArgs e) { Application["VisitorsCount"] = 0; } protected void Session_Start(object sender, EventArgs e) { Application.Lock(); Application["VisitorsCount"] = (int)Application["VisitorsCount"] + 1; Application.UnLock(); }

Asp.Net Core MVC (.Net 8)

App startup in ASP.NET Core
Arshad Nazeer 21 Reputation points

2023-12-28T04:23:21.2966667+00:00

I am sorry. I should have been clearer. I want to use Asp.Net Core MVC (.Net 8).

After reading the answers to my questions, I now see the difference between the Asp.Net MVC 5(.Net Framework) and Asp.Net Core MVC (.Net 8) and why there is no Glabal.asax file in the solution explorer.

Thanks for the help.

Now, can someone please tell me what file in the solution explorer help me in building visitor count use-case and how to build it?

There is no startup.cs and there is no configure method anywhere in the solution explorer files. So, I see that the architecture has changed very much and if one has to write features where one would use that method and that file, how would I do it in Asp.Net Mvc Core? How could one go about doing these tasks where one would use startup.cs and configure method in this philosophy?

class -> inheritance-> constructor dependency injection -> registration?

Thanks.

Answer 1

Bruce (SqlWork.com) 81,606 Volunteer Moderator

Application start fire once, when the application starts. These events are define the global.asax file.

https://learn.microsoft.com/en-us/previous-versions/aspnet/ms178473(v=vs.100)

to count visits you need to define what defines a visit. It’s common to use a browser session cookie. If it doesn’t exist create one and log the start of a browser session.

if you are using asp.net session, then use session_start

https://learn.microsoft.com/en-us/previous-versions/aspnet/ms178583(v=vs.100)

Answer 2

Anonymous

Hi @Arshad Nazeer,

You can count the number of user visits to your site in Program.cs like below:

var app = builder.Build();
int visitCount = 0;
app.Use(async (context, next) =>
{
    // Increment visit count for every request
    visitCount++;
    Console.WriteLine(visitCount);
    // Pass the request to the next middleware
    await next.Invoke();

    // You can perform additional actions after the response is sent
});

app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseRouting();

app.UseAuthorization();

app.MapControllers();

app.Run();

If you need to persist the visit count, you might consider using a database or another persistent storage solution.

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Best regards,
Rena

Arshad Nazeer 21

Can I move the code provided following, to a class?

app.Use(async (context, next) => {     
// Increment visit count for every request    
visitCount++;     
Console.WriteLine(visitCount);     
// Pass the request to the next middleware     
await next.Invoke();      
// You can perform additional actions after the response is sent });

Bruce (SqlWork.com) 81,606 Reputation points Volunteer Moderator

2023-12-28T18:10:56.4333333+00:00

Yes, see docs on creating middleware class

https://learn.microsoft.com/en-us/aspnet/core/fundamentals/middleware/write?view=aspnetcore-8.0

note: the sample code is a hit tracker, not a visit tracker. To do visit tracking, in the middleware, check for a cookie value, if not there assume new visit, update counter and write session only cookie value to check on next request.
Anonymous

2023-12-29T01:56:12.75+00:00

Hi @Arshad Nazeer, As Bruce shared document said, you can move the code to the custom middleware class.

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Where are the application events in the latest Asp.Net MVC 5 version?

2 answers

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