ASP.NET Core get current page name

Demo.cs

public string CurrentPageName { get; private set; }

public void OnGet()
{
    CurrentPageName = PageHelpers.GetCurrentPageName(HttpContext.Request);
}

PageHelpers.cs

/// <summary>
/// Provides helper methods for working with pages in an ASP.NET Core application.
/// </summary>
/// <remarks>
/// This class contains utility methods that assist in handling page-related operations, 
/// such as retrieving the current page name from an HTTP request.
/// </remarks>
public class PageHelpers
{
    /// <summary>
    /// Retrieves the name of the current page based on the provided HTTP request.
    /// </summary>
    /// <param name="request">The <see cref="HttpRequest"/> object representing the current HTTP request. Cannot be <see langword="null"/>.</param>
    /// <returns>
    /// A <see cref="string"/> representing the name of the current page. 
    /// Returns "Index" if the request path is the root ("/"), otherwise returns the file name without its extension.
    /// </returns>
    public static string GetCurrentPageName(HttpRequest request)
    {
        string path = request.Path;
        return path == "/" ? "Index" : Path.GetFileNameWithoutExtension(path);
    }
}