In this article I will explain a short tutorial with example on how to use IHostingEnvironment interface in ASP.Net Core.
Microsoft has permanently removed Server.MapPath function from .Net Core and introduced a new interfaces IHostingEnvironment for .Net Core 2.0.
 
 
What is IHostingEnvironment
The IHostingEnvironment is an interface for .Net Core 2.0.
The IHostingEnvironment interface need to be injected as dependency in the Controller and then later used throughout the Controller.
The IHostingEnvironment interface have two properties.
1. WebRootPath – Path of the www folder.
2. ContentRootPath – Path of the root folder which contains all the Application files.
 
 
Namespaces
You will need to import the following namespace.
using Microsoft.AspNetCore.Hosting;
 
 

Using IHostingEnvironment
In the below example, the IHostingEnvironment is injected in the Controller and assigned to the private property Environment and later used to get the WebRootPath and ContentRootPath.
public class HomeController : Controller
{
    private IHostingEnvironment Environment;
 
    public HomeController(IHostingEnvironment _environment)
    {
        Environment = _environment;
    }
 
    public IActionResult Index()
    {
        string wwwPath = this.Environment.WebRootPath;
        string contentPath = this.Environment.ContentRootPath;
 
        return View();
    }
}
 
 
Screenshot
Using IHostingEnvironment in ASP.Net Core
 
 
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