A potentially dangerous Request.Form value was detected from the client (Html="<a>"). 

[HttpPost]
[ValidateInput(false)]
public ActionResult CreateBlogPost(BlogPost post)

using System;
using System.Web.Mvc;

namespace MvcApplication14.Models
{
    public class BlogPost
    {
        public int Id { set; get; }
        public DateTime AddDate { set; get; }
        public string Title { set; get; }

        [AllowHtml]
        public string Text { set; get; }
    }
}

[RequireHttps]
public ActionResult LogOn() 
{ 
} 

@using (Html.BeginForm()) {
    @Html.AntiForgeryToken()

[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult CreateBlogPost(BlogPost post)

<input name="__RequestVerificationToken" type="hidden" value="C0iPfy/3T....=" />

[ValidateAntiForgeryToken(Salt="1234")]

@Html.AntiForgeryToken(salt:"1234")

using System.Web.Mvc;

namespace MvcApplication14.CustomFilter
{
    public class CheckReferrerAttribute : AuthorizeAttribute
    {
        public override void OnAuthorization(AuthorizationContext filterContext)
        {
            if (filterContext.HttpContext != null)
            {
                if (filterContext.HttpContext.Request.UrlReferrer == null)
                    throw new System.Web.HttpException("Invalid submission");

                if (filterContext.HttpContext.Request.UrlReferrer.Host != "mysite.com")
                    throw new System.Web.HttpException("This form wasn't submitted from this site!");
            }

            base.OnAuthorization(filterContext);
        }
    }
}

[HttpPost]
[CheckReferrer]
[ValidateAntiForgeryToken]
public ActionResult DeleteTask(int id)

<system.web>
    <httpHandlers>
      <add path="*" verb="*" type="System.Web.HttpNotFoundHandler"/>
    </httpHandlers>
</system.web>

<system.webServer>
    <handlers>
      <remove name="BlockViewHandler"/>
      <add name="BlockViewHandler" path="*" verb="*" preCondition="integratedMode" type="System.Web.HttpNotFoundHandler" />
    </handlers>
  </system.webServer>

public ActionResult Download()
{
      return File(Server.MapPath("~/Myfiles/test.txt"), "text/plain");
}

$myColor: #FFF726;
$myBackColor: #2B14FF;
$myString: "I Love ";
$myFontSize: 13px;
$myMargin: 0px auto;
$myWidth: 300px;
 
h1 {
   color: $myColor;
   margin: 0;
   padding: 0;
}

h1:before{
  content: $myString;
}

#container {
   width: $myWidth;
   margin: $myMargin;
   background-color:$myBackColor;
   text-align:center;
}

$container-width: 100%;

.container {
  width: $container-width;
}

.col-4 {
  width: $container-width / 4;
}

.first-component .text {
  font-size: 1.4em;
}
.first-component .button {
  font-size: 1.7em;
}
.second-component .text {
  font-size: 1.2em;
}
.second-component .button {
  font-size: 1.4em;
}

 public class MyModel
    {
        public Person person { get; set; }
        public string Type{ get; set; }
    }
 public class Person 
   {
    Public string FirstName{get;set;}
    public string LastName{get;set;}
   }

@model myModel

@{
    ViewBag.Title = "View3";

}

<h2>View3</h2>


@using (Ajax.BeginForm() {

<section class="Simple Page">

       <div class="row-fluid">
            @Html.LabelFor(model => model.Type, new { @class = "span3" })

       <div class="input-control text span4">

            @Html.EditorFor(model => model.Type, new { @class = "span4 ", placeholder = Html.Encode("ResorceName") })
           </div>

        </div>

    </section>
}

window.setFocus = function (element) {
  element.focus();
};

<input @ref="@ReferenceToInputControl" />

<input _bl_bc0f34fa-16bd-4687-a8eb-9e3838b5170d="">

private ElementReference ReferenceToInputControl;

await JSRuntime.InvokeVoidAsync("setFocus", ReferenceToInputControl);

public ActionResult Style()
{
            Response.ContentType = "text/css";
            var model = new Style
            {
                Color = "red",
                Background = "blue"
            };
            return View(model);
}

@model ExternalJavaScript.Models.Style
@{
    Layout = null;
}
body {
    color : @Model.Color;
    background-color : @Model.Background;
}

<link rel="stylesheet" href="@Url.Action("Style","Home")" />

public class ContentType : ActionFilterAttribute
    {
        private string _contentType;
        public ContentType(string ct)
        {
            this._contentType = ct;
        }

        public override void OnActionExecuted(ActionExecutedContext context) { /* nada */ }
        public override void OnActionExecuting(ActionExecutingContext context)
        {
            context.HttpContext.Response.ContentType = this._contentType;
        }
    }

[ContentType("text/css")]
public ActionResult Style()
 {
     var model = new Style
      {
                Color = "red",
                Background = "blue"
      };
     return View(model);
}

public class JavaScriptSettingsController : Controller
{
        public ActionResult Index()
        {
            return PartialView();
        }
}

$(function(){
    $.post('@Url.Action("GetData", "Home")', function (data) {
        $('.notificationList').html(data);
            if ($(data).filter("li").length != 0) {
                $('#notificationCounter').html($(data).filter("li").length);
            }
    });
});

<script src="/JavaScriptSettings"></script>

(function (app) {
    'use strict';

    function blackList() {
        return {
            require: 'ngModel',
            link: function (scope, elem, attr, ngModel) {
                var blacklist = attr.blackList.split(',');

                ngModel.$validators.blackList = function (modelValue) {
                    if (modelValue == undefined)
                        return 0;
                    var valid = blacklist.indexOf(modelValue.toString()) === -1;
                    return valid;
                };
            }
        };
    };

    app.directive("blackList", blackList);
})(angular.module('core'));

<div [class.has-error]="blackList">
    <label>Primary Language</label>
    <select name="primaryLanguage" ngModel blackList='default' #primaryLanguage="ngModel">
          <option value="default">Select a Language...</option>
          <option *ngFor="let lang of languages">
            {{ lang }}
          </option>
      </select>
      <small [hidden]="primaryLanguage.valid">
        Not Valid
      </small>
  </div>

import { Router } from '@angular/router';
.....
@Component({
    selector: 'app-menu',
    moduleId: module.id,
    templateUrl: 'menu.component.html',
    styleUrls: ['menu.component.css']
})
...
constructor(private _menuService: MenuService, public elementRef: ElementRef, public _router: Router) {
        
    }
 onClick(event: any) {
        console.log('menu click');
        debugger;
        //----در این قسمت متغیر مقدار 
        //undefined 
        //دارد
        this._router.navigate(['Subsystem']);
    
    }

import { bootstrap } from '@angular/platform-browser-dynamic';
import { HTTP_PROVIDERS } from '@angular/http';
import { Router} from '@angular/router';
import { MenuService } from './menu/menu.service';
import { AppComponent } from './app.component';
import { MenuComponent } from './menu/menu.component';
import { appRouterProviders } from './app.routes';

bootstrap(AppComponent, [MenuService, HTTP_PROVIDERS, appRouterProviders]);