Install-Package Notificatio.TelegramClient

var api = NotificatioApi.Initialize(" Your Hash_Key");
            api.SendMessage("Phone Number", "this is a test Message");

@Html.ActionLink("About us", "Index", "About")

<a href="/About">About us</a>

@using MvcApplication5.Models
@model MvcApplication5.Models.Products
@{
    ViewBag.Title = "Index";
}
@helper GetProductsList(List<Product> products)
    {
    <ul>
        @foreach (var item in products)
        {
            <li>@Html.ActionLink(item.Name, "Details", new { id = item.ProductNumber })</li>
        }
    </ul>
}
<h2>Index</h2>

@GetProductsList(@Model)

http://localhost/Home/Details/D123

using System.Linq;
using System.Web.Mvc;
using MvcApplication5.Models;

namespace MvcApplication5.Controllers
{
    public class HomeController : Controller
    {
        public ActionResult Index()
        {
            var products = new Products();
            return View(products);
        }

        public ActionResult Details(string id)
        {
            var product = new Products().FirstOrDefault(x => x.ProductNumber == id);
            if (product == null)
                return View("Error");
            return View(product);
        }
    }
}

@model MvcApplication5.Models.Product

@{
    ViewBag.Title = "Details";
}

<h2>Details</h2>

<fieldset>
    <legend>Product</legend>

    <div class="display-label">ProductNumber</div>
    <div class="display-field">@Model.ProductNumber</div>

    <div class="display-label">Name</div>
    <div class="display-field">@Model.Name</div>

    <div class="display-label">Price</div>
    <div class="display-field">@String.Format("{0:F}", Model.Price)</div>
</fieldset>
<p>
    @Html.ActionLink("Edit", "Edit", new { /* id=Model.PrimaryKey */ }) |
    @Html.ActionLink("Back to List", "Index")
</p>

'System.Web.WebPages.Html.HtmlHelper' does not contain a definition for 'ActionLink' 

@using System.Web.Mvc
@using System.Web.Mvc.Html

@using MvcApplication5.Models

@helper GetProductsList(WebViewPage page, List<Product> products)
    {
    <ul>
        @foreach (var item in products)
        {
            <li> @page.Html.ActionLink(item.Name, "Details", new { id = item.ProductNumber })</li>
        }
    </ul>
}

@MyHelpers.GetProductsList(this, @Model)

http://localhost/Home/Details/%D9%85%D9%82%D8%AF%D8%A7%D8%B1%20%D9%8A%D9%83

<li><a href="/Home/Details/مقدار یک">Super Fast Bike</a></li>

@helper EmitCleanUnicodeUrl(MvcHtmlString data)
{
    @Html.Raw(HttpUtility.UrlDecode(data.ToString()))
}

@helper GetProductsList(List<Product> products)
    {
    <ul>
        @foreach (var item in products)
        {
            <li>@EmitCleanUnicodeUrl(@Html.ActionLink(item.Name, "Details", new { id = item.ProductNumber }))</li>
        }
    </ul>
}

using System.IO;
using iTextSharp.text;
using iTextSharp.text.pdf;

namespace iTextSharpTests
{
   class Program
   {
       static void Main(string[] args)
       {
           using (var pdfDoc = new Document(PageSize.A4))
           {
               PdfWriter.GetInstance(pdfDoc, new FileStream("Test.pdf", FileMode.Create));
               pdfDoc.Open();

               var chunk = new Chunk("آزمایش");
               pdfDoc.Add(chunk);
           }
       }
   }
}

using System;
using System.IO;
using iTextSharp.text;
using iTextSharp.text.pdf;

namespace iTextSharpTests
{
   class Program
   {
       static void Main(string[] args)
       {
           using (var pdfDoc = new Document(PageSize.A4))
           {
               PdfWriter.GetInstance(pdfDoc, new FileStream("Test.pdf", FileMode.Create));
               pdfDoc.Open();

               var fontPath = Environment.GetEnvironmentVariable("SystemRoot") + "\\fonts\\tahoma.ttf";
               var baseFont = BaseFont.CreateFont(fontPath, BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
               var tahomaFont = new Font(baseFont, 10, Font.NORMAL, BaseColor.BLACK);

               var chunk = new Chunk("آزمایش",tahomaFont);
               pdfDoc.Add(chunk);
           }
       }
   }
}

using System;
using System.IO;
using iTextSharp.text;
using iTextSharp.text.pdf;

namespace iTextSharpTests
{
   class Program
   {
       static void Main(string[] args)
       {
           using (var pdfDoc = new Document(PageSize.A4))
           {
               var pdfWriter = PdfWriter.GetInstance(pdfDoc, new FileStream("Test.pdf", FileMode.Create));
               pdfDoc.Open();

               var fontPath = Environment.GetEnvironmentVariable("SystemRoot") + "\\fonts\\tahoma.ttf";
               var baseFont = BaseFont.CreateFont(fontPath, BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
               var tahomaFont = new Font(baseFont, 10, Font.NORMAL, BaseColor.BLACK);

               ColumnText ct = new ColumnText(pdfWriter.DirectContent);
               ct.RunDirection = PdfWriter.RUN_DIRECTION_RTL;
               ct.SetSimpleColumn(100, 100, 500, 800, 24, Element.ALIGN_RIGHT);

               var chunk = new Chunk("آزمایش", tahomaFont);

               ct.AddElement(chunk);
               ct.Go();
           }
       }
   }
}

using System;
using System.IO;
using iTextSharp.text;
using iTextSharp.text.pdf;

namespace iTextSharpTests
{
   class Program
   {
       static void Main(string[] args)
       {
           using (var pdfDoc = new Document(PageSize.A4))
           {
               var pdfWriter = PdfWriter.GetInstance(pdfDoc, new FileStream("Test.pdf", FileMode.Create));
               pdfDoc.Open();

               var fontPath = Environment.GetEnvironmentVariable("SystemRoot") + "\\fonts\\tahoma.ttf";
               var baseFont = BaseFont.CreateFont(fontPath, BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
               var tahomaFont = new Font(baseFont, 10, Font.NORMAL, BaseColor.BLACK);

               PdfPTable table = new PdfPTable(numColumns: 1);
               table.RunDirection = PdfWriter.RUN_DIRECTION_RTL;
               table.ExtendLastRow = true;

               PdfPCell pdfCell = new PdfPCell(new Phrase("آزمایش", tahomaFont));
               pdfCell.RunDirection = PdfWriter.RUN_DIRECTION_RTL;

               table.AddCell(pdfCell);
               pdfDoc.Add(table);
           }
       }
   }
}

using System;
using System.IO;
using iTextSharp.text;
using iTextSharp.text.pdf;

namespace iTextSharpTests
{
   public class PageEvents : PdfPageEventHelper
   {
       Font _font;
       public PageEvents()
       {
           var fontPath = Environment.GetEnvironmentVariable("SystemRoot") + "\\fonts\\tahoma.ttf";
           var baseFont = BaseFont.CreateFont(fontPath, BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
           _font = new Font(baseFont, 10, Font.NORMAL, BaseColor.BLACK);
       }

       public override void OnStartPage(PdfWriter writer, Document document)
       {
           base.OnStartPage(writer, document);

           PdfPTable table = new PdfPTable(numColumns: 1);
           table.RunDirection = PdfWriter.RUN_DIRECTION_RTL;

           PdfPCell pdfCell = new PdfPCell(new Phrase("سر صفحه در صفحه:  " + writer.PageNumber, _font));
           pdfCell.RunDirection = PdfWriter.RUN_DIRECTION_RTL;
           pdfCell.HorizontalAlignment = Element.ALIGN_CENTER;           

           table.AddCell(pdfCell);
           document.Add(table);
       }
   }

   class Program
   {
       static void Main(string[] args)
       {
           using (var pdfDoc = new Document(PageSize.A4))
           {
               var pdfWriter = PdfWriter.GetInstance(pdfDoc, new FileStream("Test.pdf", FileMode.Create));
               pdfWriter.PageEvent = new PageEvents();
               pdfDoc.Open();

               var fontPath = Environment.GetEnvironmentVariable("SystemRoot") + "\\fonts\\tahoma.ttf";
               var baseFont = BaseFont.CreateFont(fontPath, BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
               var tahomaFont = new Font(baseFont, 10, Font.NORMAL, BaseColor.BLACK);

               PdfPTable table = new PdfPTable(numColumns: 1);
               table.RunDirection = PdfWriter.RUN_DIRECTION_RTL;
               table.ExtendLastRow = true;              

               PdfPCell pdfCell = new PdfPCell(new Phrase("آزمایش", tahomaFont));
               pdfCell.RunDirection = PdfWriter.RUN_DIRECTION_RTL;                                             
              
               table.AddCell(pdfCell);
               pdfDoc.Add(table);

               pdfDoc.NewPage();
           }
       }
   }
}