public static string RandomString(int size, bool lowerCase)
        {
            StringBuilder builder = new StringBuilder();
            Random random = new Random();
            char ch;
            for (int i = 0; i < size; i++)
            {
                //تولید عدد و تبدیل آن به کاراکتر 
                ch = Convert.ToChar(Convert.ToInt32(Math.Floor(26 * random.NextDouble() + 65)));
                builder.Append(ch);
            }
            if (lowerCase)
                return builder.ToString().ToLower();
            return builder.ToString();
        }

public string RandomPassword()
{
   StringBuilder builder = new StringBuilder();
   builder.Append(RandomString(4, true));
   builder.Append(RandomNumber(1000, 9999));
   builder.Append(RandomString(2, false));
   return builder.ToString();
}

byte[] b = new byte[10];
Random rnd = new Random();
rnd.NextBytes(b);
for (int i = 0; i < b.Length; i++)
{
   Console.WriteLine(b[i]);
}

 <script type="text/javascript">
        $(function() {
            $('#jqgStarWarsCharacters').jqGrid({
                url: '@Url.Action("Characters", "StarWars")',
                datatype: 'json',
                mtype: 'POST',
                cmTemplate: { align: 'center' },
                colNames: [ 'Name', 'Gender', 'Height', 'Weight', 'Birth Year', 'Skin Color', 'Hair Color', 'Eye Color' ],
                colModel: [
                            { name: 'Name' },
                            { name: 'Gender', sortable: false, formatter: demo.jqGrid.character.genderFormatter },
                            { name: 'Height', summaryType: 'avg' },
                            { name: 'Weight', summaryType: 'avg' },
                            { name: 'BirthYear' },
                            { name: 'SkinColor', sortable: false, formatter: demo.jqGrid.character.skinColorFormatter },
                            { name: 'HairColor', sortable: false, formatter: demo.jqGrid.character.hairColorFormatter },
                            { name: 'EyeColor', sortable: false, formatter: demo.jqGrid.character.eyeColorFormatter }
                          ],
                caption: 'StarWars Characters',
                grouping: true,
                groupingView: {
                    groupField: ['Gender'],
                    groupDataSorted: true,
                    groupColumnShow: [false],
                    groupSummary: [true]
                },
                footerrow: true,
                userDataOnFooter: true,
                jsonReader: { repeatitems: false, id: 'Id' },
                pager: $('#jqgpStarWarsCharacters'),
                rowNum: 100,
                sortname: 'Id',
                sortorder: 'asc',
                viewrecords: true,
                height: '100%'
            });
        });
    </script>

public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllersWithViews();
            services.AddRazorPages();
            services.AddControllers()
                .AddNewtonsoftJson();
        }
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseHttpsRedirection();
            app.UseStaticFiles();

            JqGridRequest.ParametersNames = new JqGridParametersNames() { PagesCount = "npage" };

            app.UseRouting();
            app.UseEndpoints(endpoints =>
            {  
                endpoints.MapDefaultControllerRoute();
                endpoints.MapControllerRoute(
                    name: "default",
                    pattern: "{controller=JavaScript}/{action=Basics}");

                endpoints.MapControllerRoute(
                   name: "default2",
                   pattern: "{controller=StarWars}/{action=Characters}/{id?}");
         
                endpoints.MapRazorPages(); 
            });
        }

@{
    Layout = "~/Views/Shared/_Layout.cshtml";
}

@{
    ViewBag.Title = "Index";
    Layout = "~/Views/Shared/_Layout.cshtml";
}
 
<h2>Index</h2>

[SetLayoutAttribute("_MyLayout")]
public ActionResult Index()
{
      return View();
}

[SetLayoutAttribute("_MyLayout")]
    public class HomeController : Controller
    {
        
        public ActionResult Index()
        {
            return View();
        }

        public ActionResult About()
        {
            ViewBag.Message = "Your application description page.";

            return View();
        }

        public ActionResult Contact()
        {
            ViewBag.Message = "Your contact page.";

            return View();
        }
    }

using System.Web.Mvc;

namespace MvcApplication1.Controllers
{
    public class HomeController : Controller
    {
        //
        // GET: /Home/
        public ActionResult Index()
        {
            return View();
        }
    }
}

using System.Web.Mvc;

namespace MvcApplication2.Controllers
{
    public class HomeController : Controller
    {
        [NonAction]
        public string ShowData()
        {
            return "Text";
        }

        public ActionResult Index()
        {
            ViewBag.Message = string.Format("{0}/{1}/{2}",
                                              RouteData.Values["controller"],
                                              RouteData.Values["action"],
                                              RouteData.Values["id"]);
            return View();
        }

        public ActionResult Search(string data = "*")
        {
            // do something ...
            return View();
        }
    }
}

using System.Web.Mvc;

namespace MvcApplication2.Controllers
{
    public class ActionResultsController : Controller
    {
        //http://localhost/actionresults/welcome
        public string Welcome()
        {
            return "Hello, World";
        }

        //http://localhost/actionresults/index
        public ActionResult Index() // or ContentResult
        {
            return Content("Hello, World");
        }

        //http://localhost/actionresults/SendMail
        public void SendMail()
        {
        }

        public ActionResult SendMailCompleted() // or EmptyResult
        {
            // do whatever
            return new EmptyResult();
        }

        public ActionResult GetFile() // or FilePathResult
        {
            return File(Server.MapPath("~/content/site.css"), "text/css", "mySite.css");
        }

        public ActionResult UnauthorizedStatus() // or HttpStatusCodeResult/HttpUnauthorizedResult
        {
            return new HttpUnauthorizedResult("You need to login first.");
        }

        public ActionResult Status() // or HttpStatusCodeResult
        {
            return new HttpStatusCodeResult(501, "Server Error");
        }

        public ActionResult GetJavaScript() // or JavaScriptResult
        {
            return JavaScript("...JavaScript...");
        }

        public ActionResult GetJson() // or JsonResult
        {
            var obj = new { prop1 = 1, prop2 = "data" };
            return Json(obj, JsonRequestBehavior.AllowGet);
        }

        public ActionResult RedirectTo() // or RedirectResult
        {
            return RedirectPermanent("http://www.site.com");
            //return RedirectToAction("Home", "Index");
        }

        public ActionResult ShowView() // or ViewResult
        {
            return View();
        }
    }
}

[TestMethod]
public void TestMethod1()
{
    // Arrange
    var controller = new ActionResultsController();

    // Act
    var result = controller.Index() as ContentResult;

    // Assert
    Assert.NotNull(result);
    Assert.AreEqual( "Hello, World", result.Content);
}