services.AddMvc(options => options.EnableEndpointRouting = false)
.SetCompatibilityVersion(CompatibilityVersion.Version_2_2);

using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Mvc;
using Kendo.DynamicLinq;
using KendoUI06Mvc.Models;
using Newtonsoft.Json;

namespace KendoUI06Mvc.Controllers
{
    public class HomeController : Controller
    {
        public ActionResult Index()
        {
            return View(); // shows the page.
        }

        [HttpDelete]
        public ActionResult DeleteProduct(int id)
        {
            var item = ProductDataSource.LatestProducts.FirstOrDefault(x => x.Id == id);
            if (item == null)
                return new HttpNotFoundResult();

            ProductDataSource.LatestProducts.Remove(item);

            return Json(item);
        }

        [HttpGet]
        public ActionResult GetProducts()
        {
            var request = JsonConvert.DeserializeObject<DataSourceRequest>(
               this.Request.Url.ParseQueryString().GetKey(0)
            );

            var list = ProductDataSource.LatestProducts;
            return Json(list.AsQueryable()
                       .ToDataSourceResult(request.Take, request.Skip, request.Sort, request.Filter),
                       JsonRequestBehavior.AllowGet);
        }

        [HttpPost]
        public ActionResult PostProduct(Product product)
        {
            if (!ModelState.IsValid)
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);

            var id = 1;
            var lastItem = ProductDataSource.LatestProducts.LastOrDefault();
            if (lastItem != null)
            {
                id = lastItem.Id + 1;
            }
            product.Id = id;
            ProductDataSource.LatestProducts.Add(product);

            // گرید آی دی جدید را به این صورت دریافت می‌کند
            return Json(new DataSourceResult { Data = new[] { product } });
        }

        [HttpPut] // Add it to fix this error: The requested resource does not support http method 'PUT'
        public ActionResult UpdateProduct(int id, Product product)
        {
            var item = ProductDataSource.LatestProducts
                                        .Select(
                                            (prod, index) =>
                                                new
                                                {
                                                    Item = prod,
                                                    Index = index
                                                })
                                        .FirstOrDefault(x => x.Item.Id == id);
            if (item == null)
                return new HttpNotFoundResult();


            if (!ModelState.IsValid || id != product.Id)
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);

            ProductDataSource.LatestProducts[item.Index] = product;

            //Return HttpStatusCode.OK
            return new HttpStatusCodeResult(HttpStatusCode.OK);
        }
    }
}

        var productsDataSource = new kendo.data.DataSource({
            transport: {
                read: {
                    url: "@Url.Action("GetProducts","Home")",
                    dataType: "json",
                    contentType: 'application/json; charset=utf-8',
                    type: 'GET'
                },
                create: {
                    url: "@Url.Action("PostProduct","Home")",
                    contentType: 'application/json; charset=utf-8',
                    type: "POST"
                },
                update: {
                    url: function (product) {
                        return "@Url.Action("UpdateProduct","Home")/" + product.Id;
                        },
                        contentType: 'application/json; charset=utf-8',
                        type: "PUT"
                    },
                    destroy: {
                        url: function (product) {
                            return "@Url.Action("DeleteProduct","Home")/" + product.Id;
                        },
                        contentType: 'application/json; charset=utf-8',
                        type: "DELETE"
                    },
                    parameterMap: function (options) {
                        return kendo.stringify(options);
                    }
                },

 public virtual ActionResult Sitemap()
        {
            var data = new sunn.Models.ApplicationDbContext().Posts.ToList();
            SiteMap sm = new SiteMap();
            foreach (var siteno in data)
            {
                sm.Add(new Location()
                   {
                       Url = string.Format("http://www.MySite.ir/Develop/Home/Post/{0}", siteno.Id),
                       LastModified = siteno.InsertDate,
                       Priority = 0.5D
                   });
            }

            return new XmlResult(sm);
        }

return View("~/Views/....مسیر کامل فایل", model);

        public async Task<IList<NewsSliderModel>> GetNewsSliderTable(CancellationToken cancellationToken = default(CancellationToken))
        {
            IQueryable<News> selectednews = _news.Take(_sliderTakeCount).AsQueryable();
             ...
             ...
            return await selectednews.Select(x => new NewsSliderModel
            {
                NewsId = x.Id,
                Title = x.Title,
                ImagePath = x.ImagePath,
                ImageTitle = x.ImageTitle,
                ImageDescription = x.ImageDescription,
            }).ToListAsync();

        }

        public virtual async Task<ActionResult> MainSlider()
        {
            IList<NewsSliderModel> SliderList = await _newsService.GetNewsSliderTable(Order.Descending, NewsOrderBy.Id);
            return PartialView(MVC.Home.Views._MainSlider, SliderList.ToList());
        }

HttpServerUtility.Execute blocked while waiting for an asynchronous operation to complete.

<div id="main">
            @RenderBody()
        </div>


//**********
@Scripts.Render("~/bundles/jquery")

    @Scripts.Render("~/bundles/bootstrap")

    @RenderSection("Scripts", required: false)  
 

<script type="text/javascript">
        $(function () {
            $(document).pjax('a[withpjax]', '#main', { timeout: 5000 });

@Html.ActionLink("ارتباط با ما","Contact", "Home"
                                      , null,new { withpjax="with-pjax" })

 $( function () {
$.ajax({
//مشخص کردن  اکشنی که باید فراخوانی شود
url: '/Home/Details' ,
contentType: 'application/html; charset=utf-8' ,
type: 'GET' ,
//نوع نتیجه بازگشتی
dataType: 'html'
 
})
.success( function (result) {
  //زمانی که کدهای سمت سرور بدون خطا اجرا شده اند
  //این قسمت فراخوانی می‌شود و نتیجه اکشن درون متغیر
  //result
  //قرار می‌گیرد
  $( '#sectionContents' ).html(result);
})
.error( function (xhr, status) {
  alert(xhr.responseText);
});
  });

mydomain.com/Home/Index
mydomain.com/home/index
mydomain.com/Home/index
mydomain.com/home/Index

using System.Globalization;
using System.Web;
using System.Web.Mvc;

namespace WebToolkit
{
    public class ForceWww : ActionFilterAttribute
    {
        public override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            modifyUrlAndRedirectPermanent(filterContext);
            base.OnActionExecuting(filterContext);
        }

        private static void modifyUrlAndRedirectPermanent(ActionExecutingContext filterContext)
        {
            if (canIgnoreRequest(filterContext))
                return;

            var absoluteUrl = HttpUtility.UrlDecode(filterContext.RequestContext.HttpContext.Request.Url.AbsoluteUri.ToString(CultureInfo.InvariantCulture));
            var absoluteUrlToLower = absoluteUrl.ToLowerInvariant();

            absoluteUrlToLower = forceWwwAndLowercase(filterContext, absoluteUrlToLower);
            absoluteUrlToLower = avoidTrailingSlashes(filterContext, absoluteUrlToLower);

            if (!absoluteUrl.Equals(absoluteUrlToLower))
            {
                filterContext.Result = new RedirectResult(absoluteUrlToLower, permanent: true);
            }
        }

        private static string avoidTrailingSlashes(ActionExecutingContext filterContext, string absoluteUrlToLower)
        {
            if (!isRootRequest(filterContext) && absoluteUrlToLower.EndsWith("/"))
                return absoluteUrlToLower.TrimEnd(new[] { '/' });

            return absoluteUrlToLower;
        }

        private static bool isRootRequest(ActionExecutingContext filterContext)
        {
            return filterContext.RequestContext.HttpContext.Request.Url.AbsolutePath == "/";
        }

        private static bool canIgnoreRequest(ActionExecutingContext filterContext)
        {
            return filterContext.IsChildAction || 
                   filterContext.HttpContext.Request.IsAjaxRequest() ||
                   filterContext.RequestContext.HttpContext.Request.Url.AbsoluteUri.Contains("?");
        }

        private static string forceWwwAndLowercase(ActionExecutingContext filterContext, string absoluteUrlToLower)
        {
            if (isLocalRequet(filterContext))
                return absoluteUrlToLower;

            if (absoluteUrlToLower.Contains("www"))
                return absoluteUrlToLower;

            return absoluteUrlToLower.Replace("http://", "http://www.")
                                     .Replace("https://", "https://www.");
        }

        private static bool isLocalRequet(ActionExecutingContext filterContext)
        {
            return filterContext.RequestContext.HttpContext.Request.IsLocal;
        }
    }
}