using Microsoft.AspNetCore.Mvc; using Microsoft.AspNetCore.Mvc.Filters; public abstract class AppController : Controller { public override void OnActionExecuting(ActionExecutingContext context) { var uid = HttpContext.Session.GetInt32("UserId"); var uname = HttpContext.Session.GetString("UserName"); ViewBag.UserId = uid; ViewBag.UserName = uname; base.OnActionExecuting(context); } }