TempData in Asp.net Core

 TempData in Asp.net Core

Package

"Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.5"

Controllers[Folder]

HomeController.cs

using Microsoft.AspNetCore.Mvc;

namespace TempData.Controllers

{

    public class HomeController : Controller

    {

        public IActionResult Index()

        {

            ViewData["var1"] = "View Data";

            ViewBag.var2 = "View Bag";

            TempData["var3"] = "Temp Data";

            string[] arr = { "Adil", "Zain", "Ali" };

            TempData["var4"] = arr;

            return View();

        }

        public IActionResult About()

        {

            TempData.Keep("var3");

            return View();

        }

        public IActionResult Contact()

        {

            return View();

        }

    }

}

Views[Folder]

About.cshtml

@{

    ViewData["Title"] = "About";

}

<h1>About</h1>

@ViewData["var1"] 

@ViewBag.var2 

@TempData["var3"] 

@{

    foreach (var item in(string[]) TempData["var4"])

    {

        <h1> @item</h1>

       

    }

}

Contact.cshtml

@{

    ViewData["Title"] = "Contact";

}

<h1>Contact</h1>

@ViewData["var1"] 

@ViewBag.var2 

@TempData["var3"] 

Index.cshtml

@{

    ViewData["Title"] = "Index";

}

<h1>Index</h1>

@*@ViewData["var1"] 

@ViewBag.var2 

@TempData["var3"] *@