global variables in asp.net core

Question

We are now starting an asp.net core project. In our old application we used a lot of sessions to store values throughout application. However, we had some issues in using sessions.

My application is like group -> department -> project. If a user select a group we want to store groupId(this is used in navigation or data entry). The same in department and project. So we want to a user carry groupid, departmentnumber, projectid. They can be updated.

for e.g. We have bottom navigation have current group, current department, current project. So user can easily click navigation link and go to specific group or department by groupid or departmentnumber which is stored in application.

Is there any approach that can do the work like session?

thank you in advance.

arnaudauroux · Accepted Answer · 2017-04-13 12:28:20Z

2

Have you considered just using the query string to embed your global variables? Following your sample, it could be something like: /groups/:groupId/departments/:departmentId....

Then by specifying theses parameters within your controller ASP.NET routes, you can use them in each action:

[Route("groups/{groupId:guid}/departments/{departmentId:guid}")]
public class DepartmentController : Controller
{
    public ActionResult Index(Guid groupId, Guid departmentId)
    {
    }
}

Same idea or the others controllers.
It is a very simple and stateless solution adressing many cases ;)

answered Apr 13, 2017 at 12:28

arnaudauroux

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1 Comment

Maximilian H Kim Over a year ago

This a great idea. I will use your idea without any doubt. Thank you for your brilliant idea!

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