Tạo mã vạch code với QRCode trong ASP.NET Core
using Microsoft.AspNetCore.Rewrite;
var options = new RewriteOptions().AddRedirect("(.*[^/])$", "$1/");
app.UseRewriter(options);
https://docs.microsoft.com/en-us/aspnet/core/fundamentals/url-rewriting?view=aspnetcore-3.1