// Create a graphics object for drawing.
Graphics gfxCaptchaImage = Graphics.FromImage(bitmap);

gfxCaptchaImage.PageUnit = GraphicsUnit.Pixel;
gfxCaptchaImage.SmoothingMode = SmoothingMode.HighQuality;
gfxCaptchaImage.Clear(Color.White);

// Create a Random Number from 1000 to 9999
int salt = CaptchaHelpers.CreateSalt();

public int CreateSalt()
{
   Random random = new Random();
   return random.Next(1000, 9999);
}

HttpContext.Current.Session["captchastring"] = salt;

string randomString = (salt).NumberToText(Language.Persian);

// Set up the text format.
var format = new StringFormat();
int faLCID = new System.Globalization.CultureInfo("fa-IR").LCID;
format.SetDigitSubstitution(faLCID, StringDigitSubstitute.National);
format.Alignment = StringAlignment.Near;
format.LineAlignment = StringAlignment.Near;
format.FormatFlags = StringFormatFlags.DirectionRightToLeft;

// Font of Captcha and its size
Font font = new Font("Tahoma", 10);

// Create a path for text 
GraphicsPath path = new GraphicsPath();

path.AddString(randomString, 
                font.FontFamily, 
                (int)font.Style, 
                (gfxCaptchaImage.DpiY * font.SizeInPoints / 72), 
                new Rectangle(0, 0, width, height), format);

gfxCaptchaImage.DrawPath(Pens.Navy, path);

//-- using a sin ware distort the image
int distortion = random.Next(-10, 10);
using (Bitmap copy = (Bitmap)bitmap.Clone())
{
          for (int y = 0; y < height; y++)
          {
              for (int x = 0; x < width; x++)
              {
                  int newX = (int)(x + (distortion * Math.Sin(Math.PI * y / 64.0)));
                  int newY = (int)(y + (distortion * Math.Cos(Math.PI * x / 64.0)));
                  if (newX < 0 || newX >= width) newX = 0;
                 if (newY < 0 || newY >= height) newY = 0;
                 bitmap.SetPixel(x, y, copy.GetPixel(newX, newY));
              }
         }
 }

//-- Draw the graphic to the bitmap
gfxCaptchaImage.DrawImage(bitmap, new Point(0, 0));

gfxCaptchaImage.Flush();

HttpResponseBase response = context.HttpContext.Response;
response.ContentType = "image/jpeg";
bitmap.Save(response.OutputStream, ImageFormat.Jpeg);

// Clean up.
font.Dispose();
gfxCaptchaImage.Dispose();
bitmap.Dispose();

public CaptchaImageResult CaptchaImage()
{
     return new CaptchaImageResult();
}

<img src="@Url.Action("CaptchaImage")"/>

[HttpPost]
public ActionResult Index(LogOnModel model)
{
      if (!ModelState.IsValid) return View(model);

      if (model.CaptchaInputText == Session["captchastring"].ToString()) 
             TempData["message"] = "تصویر امنتی را صحیح وارد کرده اید";
      else 
             TempData["message"] = "تصویر امنیتی را اشتباه وارد کرده اید";

      return View();
}

• New responsive containers! Over a year in the making, fluid up to a particular breakpoint, available for all responsive tiers.
• New responsive .row-cols classes for quickly specifying the number of columns across breakpoints. This one is huge for those of you who have asked for responsive card decks. 

• روش استفاده
• نکته‌ای برای غیر ساکنین آمریکا

            <ol class="breadcrumb">
                <li><a href="#">خانه</a></li>
                <li><a href="#">خدمات</a></li>
                <li class="active">محصولات</li>
            </ol>

.breadcrumb > li + li:before {
  content: "/\00a0";
  padding: 0 5px;
  color: #cccccc;
}

.breadcrumb > li + li:before {
  content: none;
}

            <ol class="breadcrumb">
                <li><a href="#">خانه</a> <span class="glyphicon glyphicon-circle-arrow-left"></span></li>
                <li><a href="#">خدمات</a> <span class="glyphicon glyphicon-circle-arrow-left"></span></li>
                <li class="active">محصولات</li>
            </ol>

.glyphicon {
color: #cdae51;
}

                <ul class="nav nav-pills nav-justified">
                    <li><a href="#">Home</a></li>
                    <li><a href="#">About</a></li>
                    <li class="active"><a href="#">Services</a></li>
                    <li><a href="#">Photo Gallery</a></li>
                    <li><a href="#">Contact</a></li>
                </ul>

    <div class="container">
        <h4 class="alert alert-info">
            nav</h4>
        <div class="row">
            <nav class="navbar navbar-default navbar-inverse navbar-fixed-top" role="navigation">
                <div class="navbar-header">
                    <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#collapse">
                        <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span><span
                            class="icon-bar"></span><span class="icon-bar"></span>
                    </button>
                </div>
                <div class="collapse navbar-collapse" id="collapse">
                    <ul class="nav navbar-nav">
                        <li><a href="#">Home</a></li>
                        <li><a href="#">About</a></li>
                        <li class="active"><a href="#">Services</a></li>
                        <li><a href="#">Photo Gallery</a></li>
                        <li><a href="#">Contact</a></li>
                    </ul>
                </div>
            </nav>
        </div>
        <!-- end row -->
    </div>
    <!-- /container -->

 body { padding-top: 70px; }

<a href="orginal size of image directory"><img src="thumb(smaller size) image directory" /></a>

<script src="/Scripts/ckeditor/ckeditor.js" type="text/javascript"></script>

<textarea id="content" name="content" class="ckeditor" ></textarea>

<script type="text/javascript">
        CKEDITOR.replace( 'content' , { filebrowserImageUploadUrl: '/Admin/UploadImage' } );
</script>

public ActionResult UploadImage(string CKEditorFuncNum, string CKEditor, string langCode)
        {
            string message;  // message to display   when file upload successfully(optional)
            string thumbPath = "";  // the directory for thumb file that should resize
            var db = new MyDbContext();  // make new instance from my context
            // here logic to upload image
            // and get file path of the image
            var file = WebImage.GetImageFromRequest(); // get the uploaded file from request
            var ext = Path.GetExtension(file.FileName);  // get the path of file
            //get the file name without extension
            var fileName = Path.GetFileNameWithoutExtension(file.FileName);
            //add time to file name to avoid same name file overwrite, and then add extension to it
            fileName += DateTime.Now.ToFileTime() + ext;
            //choose the path for the original size of image
            var path = Path.Combine(Server.MapPath("~/Content/UploadedImages/Default"), fileName);
            file.Save(path);  //save the original size of the image
            db.Images.Add(new Image { RealName = file.FileName, FileName = fileName, UploadDate = DateTime.Now }); // save image info to db
            db.SaveChanges();  // submit changes to db
            string defaultPath = "/Content/UploadedImages/Default/" + fileName;  //path for original size of //images
            if (file.Width > 400)  // if width of image bigger than 400 px do resize
            {
                file.Resize(400, 400, true);  //resize the image , third argument is aspect ratio
                string thumbName = "Thumb-" + fileName;  // resized image name
                //path for resized image file
                string path2 = Server.MapPath("~/Content/UploadedImages/Thumbs/" + thumbName);
                thumbPath = "/Content/UploadedImages/Thumbs/" + thumbName;
                //save resized image file
                file.Save(path2);
            }
            else
            {
                thumbPath = defaultPath;  // if the size not bigger than 400px the thumb, path = default path
            }
            // passing message success/failure
            message = "Image was saved correctly";
            // since it is an ajax request it requires this string
            //java script that return files path to ckeditor
            string output = @"<script>window.parent.CKEDITOR.tools.callFunction(" + CKEditorFuncNum + ", \"" + thumbPath + "\", \"" + message + "\");window.parent.document.getElementById('cke_145_textInput').value='" + defaultPath + "';window.parent.document.getElementById('cke_125_textInput').value=0;</script>";
            return Content(output);
        }

window.parent.CKEDITOR.tools.callFunction(" + CKEditorFuncNum + ", \"" + thumbPath + "\", \"" + message + "\");

document.getElementsById("cke_145_textInput").value = defaultPath;

window.parent.document.getElementsById("cke_145_textInput").value = defaultPath;

window.parent.document.getElementsById('cke_125_textInput').value=0;

$(".container [href$='.jpg']").colorbox({ maxWidth: 800, opacity: 0.5, rel: 'gal' });
$(".container [href$='.png']").colorbox({ maxWidth: 800, opacity: 0.5, rel: 'gal' });
$(".container [href$='.gif']").colorbox({ maxWidth: 800, opacity: 0.5, rel: 'gal' });

$(".container [href$='.jpg']").attr("rel", "gal");

 services.AddMvc();

app.Run(async (context) =>
{
   await context.Response.WriteAsync("Hello World!");
});

namespace Razor
{
    public class Startup
    {
        // This method gets called by the runtime. Use this method to add services to the container.
        // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            //app.Run(async (context) =>
            //{
            //    await context.Response.WriteAsync("Hello World!");
            //});
        }
    }
}

namespace Razor.Models
{
    public class Product
    {
        public int ProductID { get; set; }
        public string Name { get; set; }
        public string Description { get; set; }
        public decimal Price { get; set; }
        public string Category { set; get; }
    }
}

namespace Razor.Controllers
{
    public class HomeController : Controller
    {
        // GET: /<controller>/
        public ViewResult Index()
        {
            Product myProduct = new Product
            {
                ProductID = 1,
                Name = "Kayak",
                Description = "A boat for one person",
                Category = "Watersports",
                Price = 275M
            };
            return View(myProduct);
        }
    }
}

@model Razor.Models.Product
@{
    Layout = null;
}

<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="width=device-width"/>
    <title>Index</title>
</head>
<body>
    Content will go here
</body>
</html>

@model Razor.Models.Product
@{
    Layout = null;
}

<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="width=device-width"/>
    <title>Index</title>
</head>
<body>
  @Model.Name
</body>
</html>

 @using Razor.Models

@model Product
@{
    Layout = null;
}

<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="width=device-width"/>
    <title>Index</title>
</head>
<body>
  @Model.Name
</body>
</html>

@{
    Layout = null;
}

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>@ViewBag.Title</title>
</head>
<body>
    <div>
        @RenderBody()
    </div>
</body>
</html>

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>@ViewBag.Title</title>
    <style>
        #mainDiv {
            padding: 20px;
            border: solid medium black;
            font-size: 20pt
        }
    </style>
</head>
<body>
    <h1>Product Information</h1>
    <div id="mainDiv">
        @RenderBody()
    </div>
</body>
</html>

@model Product
@{
    Layout = "_BasicLayout";
    ViewBag.Title = "Product";
}

@{
    Layout = "_Layout";
}

@{
    Layout = "_BasicLayout";
}
 

@model Product
@{
    ViewBag.Title = "Product";
}

*@
@model Product
@{

    ViewBag.Title = "Product";
}
<p>Product Name: @Model.Name</p> <p>Product Price: @($"{Model.Price:C2}")</p>

 <p>Product Name: @Model.Name</p>

using Microsoft.AspNetCore.Mvc;
using Razor.Models;


namespace Razor.Controllers
{
    public class HomeController : Controller
    {
        // GET: /<controller>/
        public ViewResult Index()
        {
            Product myProduct = new Product
            {
                ProductID = 1,
                Name = "Kayak",
                Description = "A boat for one person",
                Category = "Watersports",
                Price = 275M
            };
            return View(myProduct);
        }
    }
}

 <p>Product Name: @Model.Name</p> <p>Product Price: @($"{Model.Price:C2}")</p> <p>Stock Level: @ViewBag.StockLevel</p>

<div data-productid="1" data-stocklevel="2">    <p>Product Name: Kayak</p>    <p>Product Price: £275.00</p>    <p>Stock Level: 2</p> </div>

 <b>Low Stock (@ViewBag.StockLevel)</b>

class DisplayAllInfos extends React.Component{
    render(){
        return (
            <div classID="something" className="something">
                <ProfilePhoto src={} />
                <UserPersonalInfo userInfo={}/>
                <UserJobInfo jobInfo={}/>
                <UserContactInfo contactInfo={}/>
            </div>
        )
    }
}

class Container extends React.Component{
    render(){
        <div classID="something" className="something">
            {this.props.children}
        </div>
    }
}

class DisplayAllInfos extends React.Component{
    render(){
        return (
            <Container>
                <ProfilePhoto src={} />
                <UserPersonalInfo userInfo={}/>
                <UserJobInfo jobInfo={}/>
                <UserContactInfo contactInfo={}/>
            </Container>
        )
    }
}

var hotDrinks = [
    {id: 1, item: "Tea", price: "7000" },
    {id: 2, item: "Espresso", price: "10000" },
    {id: 3,  item: "Hot Chocolate", price: "12000" }
];

// {this.state.menuList.map(item => <MenuItem {...item} />)}

var Menu = React.createClass({
    render: function () {
        return (
            <div className="row">
                <div className="col-md-4">
                    <ul className="list-group">
                        {this.state.menuList.map(item => <MenuItem key={item.id} {...item} />)}
                    </ul>
                </div>
            </div>
        )
    }
});

 <input id="pickDate" type="text"/>

 <script type="text/javascript">
  $(function() {
        $("#pickDate").kendoDatePicker();
  });
</script>

 <input id="dateOfBirth" type="text" data-role="datepicker" />

 <!--KendoUI: Web-->
<link href="styles/kendo.common.min.css" rel="stylesheet" type="text/css" />
<link href="styles/kendo.default.min.css" rel="stylesheet" type="text/css" />
<script src="js/jquery.min.js" type="text/javascript"></script>
<script src="js/kendo.web.min.js" type="text/javascript"></script>

<!--KendoUI: DataViz-->
<link href="styles/kendo.dataviz.min.css" rel="stylesheet" type="text/css" />
<script src="js/kendo.dataviz.min.js" type="text/javascript"></script>

<!--KendoUI: Mobile-->
<link href="styles/kendo.mobile.all.min.css" rel="stylesheet" type="text/css" />
<script src="js/kendo.mobile.min.js" type="text/javascript"></script>

 <link href="styles/kendo.common.min.css" rel="stylesheet" type="text/css" />
<link href="styles/kendo.default.min.css" rel="stylesheet" type="text/css" />
<script src="js/jquery.min.js" type="text/javascript"></script>
<script src="js/kendo.all.min.js" type="text/javascript"></script>

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>

    <link href="styles/kendo.common.min.css" rel="stylesheet" type="text/css" />
    <link href="styles/kendo.default.min.css" rel="stylesheet" type="text/css" />
    <script src="js/jquery.min.js" type="text/javascript"></script>
    <script src="js/kendo.all.min.js" type="text/javascript"></script>

    <script type="text/javascript">
        $(function () {
            $("#pickDate").kendoDatePicker();
        });

        $(function () {
            // initialize any widgets in the #container div
            kendo.init($("#container"));
        });
    </script>
</head>
<body>
    <span>
        Pick a date: <input id="pickDate" type="text" />
    </span>

    <div id="container">
        <input id="dateOfBirth" type="text" data-role="datepicker" />
        <div id="colors"
             data-role="colorpalette"
             data-columns="4"
             data-tile-size="{ width: 34, height: 19 }"></div>
    </div>
</body>
</html>

 <script type="text/javascript">
  $(function () {
      $("#pickDate").kendoDatePicker({
              format: "yyyy/MM/dd"
        });
  });
</script>

<input id="dateOfBirth" type="text"
          data-role="datepicker"
          data-format="yyyy/MM/dd" />

    <input id="colorPicker1" />
    <script type="text/javascript">
        $(document).ready(function () {
            $("#colorPicker1").kendoComboBox({
                dataSource: ["Blue", "Green", "Red", "Yellow"]
            });
        });
    </script>

    <input id="colorPicker2" data-role="combobox" data-source='["Blue", "Green", "Red", "Yellow"]' />
    <script type="text/javascript">
        $(document).ready(function () {
            kendo.init($("#colorPicker2"));
        });
    </script>

    <input id="colorPicker3" />
    <script type="text/javascript">
        function onColorChange(e) {
             alert('Color Change!');
        }

        $(document).ready(function () {
            $("#colorPicker3").kendoComboBox({
                dataSource: ["Blue", "Green", "Red", "Yellow"],
                change: onColorChange
            });
        });
    </script>

    <input id="colorPicker4" data-role="combobox"
           data-source='["Blue", "Green", "Red", "Yellow"]'
           data-change="onColorChange" />

    <script type="text/javascript">
        function onColorChange(e) {
            alert('Color Change!');
        }

        $(document).ready(function () {
            kendo.init($("#colorPicker4"));
        });
    </script>