@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>
}

export class AppComponent implements OnInit {

  selectedListItem: SelectedListItem[] = [];
  
  ngOnInit(): void {
// می‌توان این مقادیر را از یک 
// api 
// دریافت کرد
    this.selectedListItem.push({ value: '1', text: 'Friday', checked: false });
    this.selectedListItem.push({ value: '2', text: 'Monday', checked: false });
    this.selectedListItem.push({ value: '3', text: 'Saturday', checked: false });
    this.selectedListItem.push({ value: '4', text: 'Sunday', checked: false });
    this.selectedListItem.push({ value: '5', text: 'Thursday', checked: false });
    this.selectedListItem.push({ value: '6', text: 'Tuesday', checked: false });
    this.selectedListItem.push({ value: '7', text: 'Wednesday', checked: false });
  }


  save(form, evetn: Event) {
    if (form.valid && this.isValidated()) {
      alert('valid');
    } else {
      alert('invalid');
    }
  }

  isValidated () {
    const selected = this.selectedListItem.filter(x => x.checked === true);
    if (selected && selected.length > 0) {
      return true;
    } else {
      return false;
    }
  }
}

 <form #form="ngForm" novalidate (submit)="save(form,$event)">
          <div *ngFor="let item of selectedListItem">
            <input type="checkbox" [(ngModel)]="item.checked" name="off">
            <label>
              {{item.text}}
            </label>
          </div>
          
          <p [hidden]=" !form.submitted || isValidated()">
            This field is required
          </p>


          <div>
            <input type="submit">
          </div>
 </form>

namespace IOCBeginnerGuide
{
  class Kid
  {
      private int _age;
      private string _name;

      public Kid(int age, string name)
      {
          _age = age;
          _name = name;
      }

      public override string ToString()
      {
          return "KID's Age: " + _age + ", Kid's Name: " + _name;
      }
  }
}

using System;

namespace IOCBeginnerGuide
{
  class Parent
  {
      private int _age;
      private string _name;
      private Kid _obj;

      public Parent(int personAge, string personName, int kidsAge, string kidsName)
      {
          _obj = new Kid(kidsAge, kidsName);
          _age = personAge;
          _name = personName;
      }

      public override string ToString()
      {
          Console.WriteLine(_obj);
          return "ParentAge: " + _age + ", ParentName: " + _name;
      }
  }
}

using System;

namespace IOCBeginnerGuide
{
  class Program
  {
      static void Main(string[] args)
      {
          Parent p = new Parent(35, "Dev", 6, "Len");
          Console.WriteLine(p);

          Console.ReadKey();
          Console.WriteLine("Press a key...");
      }
  }
}

KID's Age: 6, Kid's Name: Len
ParentAge: 35, ParentName: Dev

//IBuisnessLogic.cs
namespace IOCBeginnerGuide
{
  public interface IBuisnessLogic
  {
  }
}

//Kid.cs
namespace IOCBeginnerGuide
{
  class Kid : IBuisnessLogic
  {
      private int _age;
      private string _name;

      public Kid(int age, string name)
      {
          _age = age;
          _name = name;
      }

      public override string ToString()
      {
          return "KID's Age: " + _age + ", Kid's Name: " + _name;
      }
  }
}

//Parent.cs
using System;

namespace IOCBeginnerGuide
{
  class Parent
  {
      private int _age;
      private string _name;
      private IBuisnessLogic _refKids;

      public Parent(int personAge, string personName, IBuisnessLogic obj)
      {          
          _age = personAge;
          _name = personName;
          _refKids = obj;
      }

      public override string ToString()
      {
          Console.WriteLine(_refKids);
          return "ParentAge: " + _age + ", ParentName: " + _name;
      }
  }
}

//CIOC.cs
using System;

namespace IOCBeginnerGuide
{
  class CIOC
  {
      Parent _p;

      public void FactoryMethod()
      {
          IBuisnessLogic objKid = new Kid(12, "Ren");
          _p = new Parent(42, "David", objKid);
      }

      public override string ToString()
      {
          Console.WriteLine(_p);          
          return "Displaying using Constructor Injection";
      }
  }
}

//Program.cs
using System;

namespace IOCBeginnerGuide
{
  class Program
  {
      static void Main(string[] args)
      {
          CIOC obj = new CIOC();
          obj.FactoryMethod();
          Console.WriteLine(obj);

          Console.ReadKey();
          Console.WriteLine("Press a key...");
      }
  }
}

//Parent.cs
using System;

namespace IOCBeginnerGuide
{
  class Parent
  {
      private int _age;
      private string _name;

      public Parent(int personAge, string personName)
      {          
          _age = personAge;
          _name = personName;
      }

      public IBuisnessLogic RefKID {set; get;}

      public override string ToString()
      {
          Console.WriteLine(RefKID);
          return "ParentAge: " + _age + ", ParentName: " + _name;
      }
  }
}

//CIOC.cs
using System;

namespace IOCBeginnerGuide
{
  class CIOC
  {
      Parent _p;

      public void FactoryMethod()
      {
          IBuisnessLogic objKid = new Kid(12, "Ren");
          _p = new Parent(42, "David");
          _p.RefKID = objKid;
      }

      public override string ToString()
      {
          Console.WriteLine(_p);          
          return "Displaying using Setter Injection";
      }
  }
}

internal class Program
{
    private HttpClient _client;
    private Customer _bush, _obama;
    private Phone _whiteHousePhone, _bushMobilePhone, _obamaMobilePhone;
    private HttpResponseMessage _response;

    private static void Main()
    {
        Task t = Run();
        t.Wait();
        Console.WriteLine("\nPress <enter> to continue...");
        Console.ReadLine();
    }

    private static async Task Run()
    {
        var program = new Program();
        program.ServiceSetup();
        // do not proceed until clean-up completes
        await program.CleanupAsync();
        program.CreateFirstCustomer();
        // do not proceed until customer is added
        await program.AddCustomerAsync();
        program.CreateSecondCustomer();
        // do not proceed until customer is added
        await program.AddSecondCustomerAsync();
        // do not proceed until customer is removed
        await program.RemoveFirstCustomerAsync();
        // do not proceed until customers are fetched
        await program.FetchCustomersAsync();
    }

    private void ServiceSetup()
    {
        // set up infrastructure for Web API call
        _client = new HttpClient { BaseAddress = new Uri("http://localhost:62799/") };
        // add Accept Header to request Web API content negotiation to return resource in JSON format
        _client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue
        ("application/json"));
    }
    private async Task CleanupAsync()
    {
        // call the cleanup method from the service
        _response = await _client.DeleteAsync("api/customer/cleanup/");
    }

    private void CreateFirstCustomer()
    {
        // create customer #1 and two phone numbers
        _bush = new Customer
        {
            Name = "George Bush",
            Company = "Ex President",
            // set tracking state to 'Add' to generate a SQL Insert statement
            TrackingState = TrackingState.Add,
        };
        _whiteHousePhone = new Phone
        {
            Number = "212 222-2222",
            PhoneType = "White House Red Phone",
            // set tracking state to 'Add' to generate a SQL Insert statement
            TrackingState = TrackingState.Add,
        };
        _bushMobilePhone = new Phone
        {
            Number = "212 333-3333",
            PhoneType = "Bush Mobile Phone",
            // set tracking state to 'Add' to generate a SQL Insert statement
            TrackingState = TrackingState.Add,
        };
        _bush.Phones.Add(_whiteHousePhone);
        _bush.Phones.Add(_bushMobilePhone);
    }

    private async Task AddCustomerAsync()
    {
        // construct call to invoke UpdateCustomer action method in Web API service
        _response = await _client.PostAsync("api/customer/updatecustomer/", _bush, new JsonMediaTypeFormatter());
        if (_response.IsSuccessStatusCode)
        {
            // capture newly created customer entity from service, which will include
            // database-generated Ids for all entities
            _bush = await _response.Content.ReadAsAsync<Customer>();
            _whiteHousePhone = _bush.Phones.FirstOrDefault(x => x.CustomerId == _bush.CustomerId);
            _bushMobilePhone = _bush.Phones.FirstOrDefault(x => x.CustomerId == _bush.CustomerId);
            Console.WriteLine("Successfully created Customer {0} and {1} Phone Numbers(s)",
            _bush.Name, _bush.Phones.Count);
            foreach (var phoneType in _bush.Phones)
            {
                Console.WriteLine("Added Phone Type: {0}", phoneType.PhoneType);
            }
        }
        else
            Console.WriteLine("{0} ({1})", (int)_response.StatusCode, _response.ReasonPhrase);
    }

    private void CreateSecondCustomer()
    {
        // create customer #2 and phone numbers
        _obama = new Customer
        {
            Name = "Barack Obama",
            Company = "President",
            // set tracking state to 'Add' to generate a SQL Insert statement
            TrackingState = TrackingState.Add,
        };
        _obamaMobilePhone = new Phone
        {
            Number = "212 444-4444",
            PhoneType = "Obama Mobile Phone",
            // set tracking state to 'Add' to generate a SQL Insert statement
            TrackingState = TrackingState.Add,
        };
        // set tracking state to 'Modifed' to generate a SQL Update statement
        _whiteHousePhone.TrackingState = TrackingState.Update;
        _obama.Phones.Add(_obamaMobilePhone);
        _obama.Phones.Add(_whiteHousePhone);
    }

    private async Task AddSecondCustomerAsync()
    {
        // construct call to invoke UpdateCustomer action method in Web API service
        _response = await _client.PostAsync("api/customer/updatecustomer/", _obama, new JsonMediaTypeFormatter());
        if (_response.IsSuccessStatusCode)
        {
            // capture newly created customer entity from service, which will include
            // database-generated Ids for all entities
            _obama = await _response.Content.ReadAsAsync<Customer>();
            _whiteHousePhone = _bush.Phones.FirstOrDefault(x => x.CustomerId == _obama.CustomerId);
            _bushMobilePhone = _bush.Phones.FirstOrDefault(x => x.CustomerId == _obama.CustomerId);
            Console.WriteLine("Successfully created Customer {0} and {1} Phone Numbers(s)",
            _obama.Name, _obama.Phones.Count);
            foreach (var phoneType in _obama.Phones)
            {
                Console.WriteLine("Added Phone Type: {0}", phoneType.PhoneType);
            }
        }
        else
            Console.WriteLine("{0} ({1})", (int)_response.StatusCode, _response.ReasonPhrase);
    }

    private async Task RemoveFirstCustomerAsync()
    {
        // remove George Bush from underlying data store.
        // first, fetch George Bush entity, demonstrating a call to the
        // get action method on the service while passing a parameter
        var query = "api/customer/" + _bush.CustomerId;
        _response = _client.GetAsync(query).Result;

        if (_response.IsSuccessStatusCode)
        {
            _bush = await _response.Content.ReadAsAsync<Customer>();
            // set tracking state to 'Remove' to generate a SQL Delete statement
            _bush.TrackingState = TrackingState.Remove;
            // must also remove bush's mobile number -- must delete child before removing parent
            foreach (var phoneType in _bush.Phones)
            {
                // set tracking state to 'Remove' to generate a SQL Delete statement
                phoneType.TrackingState = TrackingState.Remove;
            }
            // construct call to remove Bush from underlying database table
            _response = await _client.PostAsync("api/customer/updatecustomer/", _bush, new JsonMediaTypeFormatter());
            if (_response.IsSuccessStatusCode)
            {
                Console.WriteLine("Removed {0} from database", _bush.Name);
                foreach (var phoneType in _bush.Phones)
                {
                    Console.WriteLine("Remove {0} from data store", phoneType.PhoneType);
                }
            }
            else
                Console.WriteLine("{0} ({1})", (int)_response.StatusCode, _response.ReasonPhrase);
        }
        else
        {
            Console.WriteLine("{0} ({1})", (int)_response.StatusCode, _response.ReasonPhrase);
        }
    }

    private async Task FetchCustomersAsync()
    {
        // finally, return remaining customers from underlying data store
        _response = await _client.GetAsync("api/customer/");
        if (_response.IsSuccessStatusCode)
        {
            var customers = await _response.Content.ReadAsAsync<IEnumerable<Customer>>();
            foreach (var customer in customers)
            {
                Console.WriteLine("Customer {0} has {1} Phone Numbers(s)",
                customer.Name, customer.Phones.Count());
                foreach (var phoneType in customer.Phones)
                {
                    Console.WriteLine("Phone Type: {0}", phoneType.PhoneType);
                }
            }
        }
        else
        {
            Console.WriteLine("{0} ({1})", (int)_response.StatusCode, _response.ReasonPhrase);
        }
    }
}

<style>
    :checked {
        width: 50px;
        height: 50px;
    }
</style>
<input type="checkbox" checked="checked"/>
<input type="checkbox"/>
<input type="radio" name="test"/>
<input type="radio" name="test" checked="checked"/>
<input type="radio" name="test"/>

<style>
    :indeterminate {
        width: 50px;
        height: 50px;
    }
</style>
<input type="checkbox" id="chk1"/>
<input type="checkbox" id="chk2" checked="checked"/>
<input type="checkbox" id="chk3"/>
<script>
    document.getElementById("chk1").indeterminate=true;
</script>

<style>
    :default {
        width: 50px;
        height: 50px;
        background: lime;
    }
</style>
<form>
    <input type="checkbox" checked="checked" />
    <input type="checkbox" />
    <input type="radio" name="radio1" />
    <input type="radio" name="radio1" checked="checked" />
    <input type="radio" name="radio1" />
    <input type="submit" value="Default" />
    <input type="submit" value="Submit 2" />
</form>

<style>
    :root {
        background: khaki;
    }
</style>

<style>
    form:after {
        content: "[ * : Required]";
        color: red;            
    }
        input+span:after {
            content: ' * ';
            color: red;
        }
</style>
<form>
    <div><input type="text" /><span></span></div>
    <div><input type="password" /><span></span></div>
    <div><input type="email" /><span></span></div>
</form>

<style>
    form:before {
        content: "[ * : Required]";
        color: red;
    }

    input + span:before {
        content: ' * ';
        color: red;
    }
</style>
<form>
    <div><input type="text" /><span></span></div>
    <div><input type="password" /><span></span></div>
    <div><input type="email" /><span></span></div>
</form>

<style>
    ::selection {
        background: navy;
        color: orange;
    }
</style>
<p>
    Lorem ipsum dolor sit amet, consectetuer adipiscing elit. 
    Maecenas porttitor congue massa. Fusce posuere, 
    magna sed pulvinar ultricies, purus lectus malesuada libero, 
    sit amet commodo magna eros quis urna. Nunc viverra imperdiet enim. Fusce est.
</p>

<style>
    :matches([readonly]) {
        background: yellow;
    }
</style>
<input type="text" />
<input type="text" readonly="readonly" />
<input type="text" />
<input type="text" readonly="readonly" />

<style>
    :has(>span) {
        color: red;
    }
    :has(+div) {
        color: blue;
    }
</style>
<div>
    <p>
        Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
        Maecenas <span>porttitor</span> congue massa. Fusce posuere,
        magna sed pulvinar ultricies, purus lectus malesuada libero,
        sit amet commodo magna eros quis urna. Nunc viverra imperdiet enim. Fusce est.
    </p>
    <h1>Header 1</h1>
    <div>
            
        Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
        Maecenas porttitor congue massa. Fusce posuere,
        magna sed pulvinar ultricies, purus lectus malesuada libero,
        sit amet commodo magna eros quis urna. Nunc viverra imperdiet enim. Fusce est.            
    </div>

- Added .NET 3.5, 4.0 and 4.5 profiles to the NuGet package.
PM> Install-Package PdfReport
- Updated the project to use itextsharp.dll 5.5.4.0.
- Fixed issue #2392.
- Fixed reopening of MemoryStreams.
- Added `Merge In-Memory Pdf Files` sample.
- Improved Grouping/GroupingPdfReport.cs sample to show how to inject an arbitrary HTML data at the end of the each group.