// 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();
}

USE [Coordinates]
GO
CREATE TABLE [dbo].[Coords2](
[top] [int] NULL,
[left] [int] NULL,
[width] [int] NULL,
[height] [int] NULL,
[text] [nvarchar](50) NULL,
[id] [uniqueidentifier] NULL,
[editable] [bit] NULL
) ON [PRIMARY]
GO

public class Coords
{
    public string top;
    public string left;
    public string width;
    public string height;
    public string text;
    public string id;
    public string editable;

    public Coords(string top, string left, string width, string height, string text, string id, string editable)
    {
        this.top = top;
        this.left = left;
        this.width = width;
        this.height = height;
        this.text = text;
        this.id = id;
        this.editable = editable;


    }
}

[WebMethod]
    public static List<Coords> GetDynamicContext(string entryId, string entryName)
    {
        List<Coords> CoordsList = new List<Coords>();

        string connect = "Connection String";
        using (SqlConnection conn = new SqlConnection(connect))
        {
            string query = "SELECT [top], [left], width, height, text, id, editable FROM  Coords2";
            using (SqlCommand cmd = new SqlCommand(query, conn))
            {
                conn.Open();
                using (SqlDataReader reader=cmd.ExecuteReader())
                {
                    while (reader.Read())
                    {
                        CoordsList.Add(new Coords(reader["top"].ToString(), reader["left"].ToString(),
                                                  reader["width"].ToString(), reader["height"].ToString(),
                                                  reader["text"].ToString(), reader["id"].ToString(),
                                                  reader["editable"].ToString()));
                    }
                }
               
               conn.Close();
            }
        }

         return CoordsList;


    }

$.fn.annotateImage.ajaxLoad = function (image) {
        ///<summary>
        ///Loads the annotations from the "getUrl" property passed in on the
        ///     options object.
        ///</summary>
      
        $.ajax({
            type: "POST",
            contentType: "application/json; charset=utf-8",
            url: "Default.aspx/GetDynamicContext",
            data: "{'entryId': '" + 1 + "','entryName': '" + 2 + "'}",
            dataType: "json",
            success: function (msg) {
                image.notes = msg.d;
                $.fn.annotateImage.load(image);
            }
        });



 }; 

 $.fn.SaveCoords = function (note) {
        $.ajax({
            type: "POST",
            contentType: "application/json; charset=utf-8",
            url: "Default.aspx/SaveCoords",
            data: "{'top': '" + note.top + "','left': '" + note.left + "','width': '" + note.width + "','height': '" + note.height + "','text': '" + note.text + "','id': '" + note.id + "','editable': '" + note.editable + "'}",
            dataType: "json",
            success: function (msg) {
                note.id = msg.d;
             }
        });



 };




 $.fn.annotateView.prototype.edit = function () {

        ///<summary>

        ///Edits the annotation.

        ///</summary>      

        if (this.image.mode == 'view') {

            this.image.mode = 'edit';

            var annotation = this;

            // Create/prepare the editable note elements

            var editable = new $.fn.annotateEdit(this.image, this.note);

            $.fn.annotateImage.createSaveButton(editable, this.image, annotation);

            // Add the delete button

            var del = $('<a>حذف</a>');

            del.click(function () {

                var form = $('#image-annotate-edit-form form');

                $.fn.annotateImage.appendPosition(form, editable)

                if (annotation.image.useAjax) {

                    $.ajax({

                        type: "POST",

                        contentType: "application/json; charset=utf-8",

                        url: "Default.aspx/DeleteCoords",

                        //                        url: annotation.image.deleteUrl,

                        //                        data: form.serialize(),

                        data: "{'id': '" + editable.note.id + "'}",

                        dataType: "json",

                        success: function (msg) {

                            //                image.notes = msg.d;

                            //                $.fn.annotateImage.load(image);

                        },

                        error: function (e) { alert("An error occured deleting that note.") }

                    });

                }

                annotation.image.mode = 'view';

                editable.destroy();

                annotation.destroy();

            });

            editable.form.append(del);

            $.fn.annotateImage.createCancelButton(editable, this.image);

        }

    };

using System.Linq;

namespace SecurityModule
{
    public static class SafePassword
    {
        public static ISet<string> BadPasswords = new HashSet<string>
        {
            "password",
            "password1",
            "123456",
            "12345678",
            "1234",
            "qwerty",
            "12345",
            "dragon",
            "******",
            "baseball",
            "football",
            "letmein",
            "monkey",
            "696969",
            "abc123",
            "mustang",
            "michael",
            "shadow",
            "master",
            "jennifer",
            "111111",
            "2000",
            "jordan",
            "superman",
            "harley",
            "1234567",
            "iloveyou",
            "trustno1",
            "sunshine",
            "123123",
            "welcome"
        };

        public static bool IsSafePasword(this string data)
        {
            if (string.IsNullOrWhiteSpace(data)) return false;
            if (data.Length < 5) return false;
            if (BadPasswords.Contains(data.ToLowerInvariant())) return false;
            if (data.AreAllCharsEuqal()) return false;

            return true;
        }

        public static bool AreAllCharsEuqal(this string data)
        {
            if (string.IsNullOrWhiteSpace(data)) return false;
            data = data.ToLowerInvariant();
            var firstElement = data.ElementAt(0);
            var euqalCharsLen = data.ToCharArray().Count(x => x == firstElement);
            if (euqalCharsLen == data.Length) return true;
            return false;
        }
    }
}

public partial class RegisterController : Controller
{
        //...

        [HttpPost]
        [OutputCache(Location = OutputCacheLocation.None, NoStore = true)]
        public virtual ActionResult CheckPassword(string password1)
        {
            return Json(password1.IsSafePasword());
        }
}

using System.ComponentModel.DataAnnotations;
using System.Web.Mvc;

namespace MyBlog.Models
{
    public class RegisterViewModel
    {
        //...

        [Display(Name = "کلمه عبور")]
        [Required(ErrorMessage = "لطفا کلمه عبور خود را وارد نمائید")]
        [DataType(DataType.Password)]
        [StringLength(50, MinimumLength = 5, ErrorMessage = "حداقل طول کلمه عبور 5 حرف است")]
        [Remote(action: "CheckPassword",  controller: "Register",  HttpMethod = "POST",
                     ErrorMessage = "کلمه عبور وارد شده را راحت می‌توان حدس زد!")]
        public string Password1 { get; set; }
    }
}

#region Nivo Slider

   bundles.Add(new StyleBundle("~/Content/NivoSlider").Include("~/Content/nivoSlider/nivo-slider.css"));
   bundles.Add(new StyleBundle("~/Content/NivoSliderDefaultTheme").Include("~/Content/nivoSlider/themes/default/default.css"));
   bundles.Add(new StyleBundle("~/Content/NivoSliderDarkTheme").Include("~/Content/nivoSlider/themes/dark/dark.css"));
   bundles.Add(new StyleBundle("~/Content/NivoSliderLightTheme").Include("~/Content/nivoSlider/themes/light/light.css"));
   bundles.Add(new StyleBundle("~/Content/NivoSliderBarTheme").Include("~/Content/nivoSlider/themes/bar/bar.css"));
   bundles.Add(new ScriptBundle("~/bundles/NivoSlider").Include("~/Scripts/jquery.nivo.slider.pack.js"));

#endregion

<!DOCTYPE html>
<html>
<head>
    <title>@ViewBag.Title</title>
    <script type="text/javascript" src="~/Scripts/jquery-1.9.1.min.js"></script>
    @Styles.Render("~/Content/NivoSlider", "~/Content/NivoSliderDefaultTheme","~/Content/NivoSliderLightTheme")
    @Scripts.Render("~/bundles/NivoSlider")
</head>
<body>
    @RenderBody()
    @RenderSection("scripts", required: false)
</body>
</html>

 public class NivoSliderHelper 
 {
        #region Fields

        private string _id = "nivo1";
        private List<NivoSliderItem> _models = null;
        private string _width = "100%";
        private NivoSliderTheme _theme = NivoSliderTheme.Default;
        private string _effect = "random"; // Specify sets like= 'fold;fade;sliceDown'
        private int _slices = 15; // For slice animations
        private int _boxCols = 8; // For box animations
        private int _boxRows = 4; // For box animations
        private int _animSpeed = 500; // Slide transition speed
        private int _pauseTime = 3000; // How long each slide will show
        private int _startSlide = 0; // Set starting Slide (0 index)
        private bool _directionNav = true; // Next & Prev navigation
        private bool _controlNav = true; // 1;2;3... navigation
        private bool _controlNavThumbs = false; // Use thumbnails for Control Nav
        private bool _pauseOnHover = true; // Stop animation while hovering
        private bool _manualAdvance = false; // Force manual transitions
        private string _prevText = "Prev"; // Prev directionNav text
        private string _nextText = "Next"; // Next directionNav text
        private bool _randomStart = false; // Start on a random slide
        private string _beforeChange = ""; // Triggers before a slide transition
        private string _afterChange = ""; // Triggers after a slide transition
        private string _slideshowEnd = ""; // Triggers after all slides have been shown
        private string _lastSlide = ""; // Triggers when last slide is shown
        private string _afterLoad = "";

        #endregion

        string makeParameters()
        {
            var builder = new StringBuilder();
            builder.Append("{");
            builder.Append(string.Format("effect:'{0}'", _effect));
            builder.AppendLine(string.Format(",slices:{0}", _slices));
            builder.AppendLine(string.Format(",boxCols:{0}", _boxCols));
            builder.AppendLine(string.Format(",boxRows:{0}", _boxRows));
            builder.AppendLine(string.Format(",animSpeed:{0}", _animSpeed));
            builder.AppendLine(string.Format(",pauseTime:{0}", _pauseTime));
            builder.AppendLine(string.Format(",startSlide:{0}", _startSlide));
            builder.AppendLine(string.Format(",directionNav:{0}", _directionNav.ToString().ToLower()));
            builder.AppendLine(string.Format(",controlNav:{0}", _controlNav.ToString().ToLower()));
            builder.AppendLine(string.Format(",controlNavThumbs:{0}", _controlNavThumbs.ToString().ToLower()));
            builder.AppendLine(string.Format(",pauseOnHover:{0}", _pauseOnHover.ToString().ToLower()));
            builder.AppendLine(string.Format(",manualAdvance:{0}", _manualAdvance.ToString().ToLower()));
            builder.AppendLine(string.Format(",prevText:'{0}'", _prevText));
            builder.AppendLine(string.Format(",nextText:'{0}'", _nextText));
            builder.AppendLine(string.Format(",randomStart:{0}", _randomStart.ToString().ToLower()));
            builder.AppendLine(string.Format(",beforeChange:{0}", _beforeChange));
            builder.AppendLine(string.Format(",afterChange:{0}", _afterChange));
            builder.AppendLine(string.Format(",slideshowEnd:{0}", _slideshowEnd));
            builder.AppendLine(string.Format(",lastSlide:{0}", _lastSlide));
            builder.AppendLine(string.Format(",afterLoad:{0}", _afterLoad));
            builder.Append("}");
            return builder.ToString();
        }
        public NivoSliderHelper (
            string id, 
            List<NivoSliderItem> models,
            string width = "100%", 
            NivoSliderTheme theme = NivoSliderTheme.Default,
            string effect = "random", 
            int slices = 15, 
            int boxCols = 8, 
            int boxRows = 4,
            int animSpeed = 500, 
            int pauseTime = 3000, 
            int startSlide = 0,
            bool directionNav = true, 
            bool controlNav = true,
            bool controlNavThumbs = false, 
            bool pauseOnHover = true, 
            bool manualAdvance = false,
            string prevText = "Prev",
            string nextText = "Next", 
            bool randomStart = false,
            string beforeChange = "function(){}", 
            string afterChange = "function(){}",
            string slideshowEnd = "function(){}", 
            string lastSlide = "function(){}", 
            string afterLoad = "function(){}")
        {
            _id = id;
            _models = models;
            _width = width;
            _theme = theme;
            _effect = effect;
            _slices = slices;
            _boxCols = boxCols;
            _boxRows = boxRows;
            _animSpeed = animSpeed;
            _pauseTime = pauseTime;
            _startSlide = startSlide;
            _directionNav = directionNav;
            _controlNav = controlNav;
            _controlNavThumbs = controlNavThumbs;
            _pauseOnHover = pauseOnHover;
            _manualAdvance = manualAdvance;
            _prevText = prevText;
            _nextText = nextText;
            _randomStart = randomStart;
            _beforeChange = beforeChange;
            _afterChange = afterChange;
            _slideshowEnd = slideshowEnd;
            _lastSlide = lastSlide;
            _afterLoad = afterLoad;
        }
        public IHtmlString GetHtml()
        {
            var thm = "theme-" + _theme.ToString().ToLower();
            var sb = new StringBuilder();
            sb.AppendLine("<div style='width:" + _width + ";height:auto;margin:0px auto' class='" + thm + "'>");
            sb.AppendLine("<div id='" + _id + "' class='nivoSlider'>");
            foreach (var model in _models)
            {
                string img = string.Format("<img src='{0}' alt='{1}' title='{2}' />", model.ImageFilePath, "", model.Caption);
                string item = "";
                if (model.LinkUrl.Trim().Length > 0 &&
                    Uri.IsWellFormedUriString(model.LinkUrl, UriKind.RelativeOrAbsolute))
                {
                    item = string.Format("<a href='{0}'>{1}</a>", model.LinkUrl, img);
                }
                else
                {
                    item = img;
                }
                sb.AppendLine(item);
            }
            sb.AppendLine("</div>");
            sb.AppendLine("</div>");

            sb.AppendLine("<script type='text/javascript'>");
            //sb.AppendLine("$('#" + _id + "').parent().ready(function () {");
            sb.Append("$(document).ready(function(){");
            sb.AppendLine("$('#" + _id + "').nivoSlider(" + makeParameters() + ");");
            //sb.AppendLine("$('.nivo-controlNav a').empty();");//semi hack for rtl layout
            //sb.AppendLine("$('#" + _id + "').nivoSlider();");
            sb.AppendLine("});");
            sb.AppendLine("</script>");

            return new HtmlString(sb.ToString());
        }
    }

    public enum NivoSliderTheme
    {
        Default, Light, Dark, Bar,
    }

    public class NivoSliderItem
    {
        public string ImageFilePath { get; set; }
        public string Caption { get; set; }
        public string LinkUrl { get; set; }
    }

 public class HomeController : Controller
    {
        public ActionResult Index()
        {
            return View();
        }
        public virtual ActionResult NivoSlider()
        {
            var models = new List<NivoSliderItem>
            {
                new NivoSliderItem()
                    {
                        ImageFilePath =Url.Content("~/Images/img1.jpg"),
                        Caption = "عنوان اول",
                        LinkUrl = "http://www.google.com",
                    },
                new NivoSliderItem()
                    {
                        ImageFilePath =Url.Content("~/Images/img2.jpg"),
                        Caption = "#htmlcaption",
                        LinkUrl = "",
                    },
                new NivoSliderItem()
                    {
                        ImageFilePath =Url.Content("~/Images/img3.jpg"),
                        Caption = "عنوان سوم",
                        LinkUrl = "",
                    },
                new NivoSliderItem()
                    {
                        ImageFilePath =Url.Content("~/Images/img4.jpg"),
                        Caption = "عنوان چهارم",
                        LinkUrl = "",
                    },
                new NivoSliderItem()
                    {
                        ImageFilePath =Url.Content("~/Images/img5.jpg"),
                        Caption = "عنوان پنجم",
                        LinkUrl = "",
                    }
            };
            return PartialView("_NivoSlider", models);
        }
    }

public static void DrawPreview(Graphics g, PointF startPoint, PointF endPoint, Color foreColor, byte thickness, bool isFill, Color backgroundColor, ShapeType shapeType)
//--------------------------------[Change to]-------=>
public static void DrawPreview(Graphics g, PointF startPoint, PointF endPoint, Color foreColor, byte thickness, bool isFill, Brush backgroundBrush , ShapeType shapeType)


//---------------------------------------------------
    case ShapeType.Ellipse:
                    if (isFill)
                        g.FillEllipse(new SolidBrush(backgroundColor), x, y, width, height);
                    //else
                    g.DrawEllipse(new Pen(foreColor, thickness), x, y, width, height);
                    break;
 
//--------------------------------[Change to]-------=>
 
               case ShapeType.Ellipse:
                    if (isFill)
                        g.FillEllipse(backgroundBrush, x, y, width, height);
                    //else
                    g.DrawEllipse(new Pen(foreColor, thickness), x, y, width, height);
                    break;

namespace FiltersSample.Filters
{
    public class SampleActionFilter : IActionFilter
    {
        public void OnActionExecuting(ActionExecutingContext context)
        {
            // انجام کاری پیش از اجرای اکشن متد
        }

        public void OnActionExecuted(ActionExecutedContext context)
        {
            // انجام کاری پس از اجرای اکشن متد
        }
    }
}

namespace FiltersSample.Filters
{
    public class SampleAsyncActionFilter : IAsyncActionFilter
    {
        public async Task OnActionExecutionAsync(
            ActionExecutingContext context,
            ActionExecutionDelegate next)
        {
            // انجام کاری پیش از اجرای اکشن متد
            await next();
            // انجام کاری پس از اجرای اکشن متد
        }
    }
}

using Microsoft.AspNetCore.Mvc.Filters;
namespace FiltersSample.Filters
{
    public class AddHeaderAttribute : ResultFilterAttribute
    {
        private readonly string _name;
        private readonly string _value;
        public AddHeaderAttribute(string name, string value)
        {
            _name = name;
            _value = value;
        }

        public override void OnResultExecuting(ResultExecutingContext context)
        {
            context.HttpContext.Response.Headers.Add(
                _name, new string[] { _value });
            base.OnResultExecuting(context);
        }
    }
}

[AddHeader("Author", "DNT")]
public class SampleController : Controller
{
    public IActionResult Index()
    {
        return Content("با فایرباگ هدر خروجی را بررسی کنید");
    }
}

public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc(options =>
    {
        options.Filters.Add(typeof(SampleActionFilter)); // by type
        options.Filters.Add(new SampleGlobalActionFilter()); // an instance
    });
}

 [MyFilter(Name = "Method Level Attribute", Order=-1)]

[ServiceFilter(typeof(AddHeaderFilterWithDi))]
public IActionResult Index()
{
   return View();
}

 services.AddScoped<AddHeaderFilterWithDi>();

 System.InvalidOperationException: No service for type 'FiltersSample.Filters.AddHeaderFilterWithDI' has been registered.

[TypeFilter(typeof(AddHeaderAttribute),  Arguments = new object[] { "Author", "DNT" })]
public IActionResult Hi(string name)
{
   return Content($"Hi {name}");
}

using Microsoft.AspNetCore.Mvc.Filters;
using Microsoft.Extensions.Logging;
 
namespace Core1RtmEmptyTest.StartupCustomizations
{
    public class CustomExceptionLoggingFilterAttribute : ExceptionFilterAttribute
    {
        private readonly ILogger<CustomExceptionLoggingFilterAttribute> _logger;
        public CustomExceptionLoggingFilterAttribute(ILogger<CustomExceptionLoggingFilterAttribute> logger)
        {
            _logger = logger;
        }
 
        public override void OnException(ExceptionContext context)
        {
            _logger.LogInformation($"OnException: {context.Exception}");
            base.OnException(context);
        }
    }
}

public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc(options =>
    {
        options.Filters.Add(typeof(CustomExceptionLoggingFilterAttribute));

public void Configure(ILoggerFactory loggerFactory)
{
   loggerFactory.AddDebug(minLevel: LogLevel.Debug);

public IActionResult GetData()
{
  throw new Exception("throwing an exception!");
}

 >ng g m UploadFile -m app.module --routing

 >ng g c UploadFile/UploadFileSimple

 >ng g cl UploadFile/Ticket

export class Ticket {
  constructor(public description: string = "") {}
}

import { Ticket } from "./../ticket";

export class UploadFileSimpleComponent implements OnInit {
  model = new Ticket();

<div class="container">
  <h3>Support Form</h3>
  <form #form="ngForm" (submit)="submitForm(form)" novalidate>
    <div class="form-group" [class.has-error]="description.invalid && description.touched">
      <label class="control-label">Description</label>
      <input #description="ngModel" required type="text" class="form-control"
        name="description" [(ngModel)]="model.description">
      <div *ngIf="description.invalid && description.touched">
        <div class="alert alert-danger"  *ngIf="description.errors.required">
          description is required.
        </div>
      </div>
    </div>

    <div class="form-group">
      <label class="control-label">Screenshot(s)</label>
      <input #screenshotInput required type="file" multiple (change)="fileChange($event)"
        class="form-control" name="screenshot">
    </div>

    <button class="btn btn-primary" [disabled]="form.invalid" type="submit">Ok</button>
  </form>
</div>

 (change)="fileChange($event)"

fileChange(event) {
    const filesList: FileList = event.target.files;
    console.log("fileChange() -> filesList", filesList);
}

 C:\Program Files (x86)\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\lib.dom.d.ts

{
    "lib": [
      "es2016",
      "dom"
    ]
  }
}

import { Component, OnInit, ViewChild, ElementRef } from "@angular/core";

export class UploadFileSimpleComponent implements OnInit {
  @ViewChild("screenshotInput") screenshotInput: ElementRef;

  submitForm(form: NgForm) {
    const fileInput: HTMLInputElement = this.screenshotInput.nativeElement;
    console.log("fileInput.files", fileInput.files);
  }

 >ng g s UploadFile/UploadFileSimple -m upload-file.module

import { Http, RequestOptions, Response, Headers } from "@angular/http";
import { Injectable } from "@angular/core";
import { Observable } from "rxjs/Observable";
import "rxjs/add/operator/do";
import "rxjs/add/operator/catch";
import "rxjs/add/observable/throw";
import "rxjs/add/operator/map";
import "rxjs/add/observable/of";

import { Ticket } from "./ticket";

@Injectable()
export class UploadFileSimpleService {
  private baseUrl = "api/SimpleUpload";

  constructor(private http: Http) {}

  private extractData(res: Response) {
    const body = res.json();
    return body || {};
  }

  private handleError(error: Response): Observable<any> {
    console.error("observable error: ", error);
    return Observable.throw(error.statusText);
  }

  postTicket(ticket: Ticket, filesList: FileList): Observable<any> {
    if (!filesList || filesList.length === 0) {
      return Observable.throw("Please select a file.");
    }

    const formData: FormData = new FormData();

    for (const key in ticket) {
      if (ticket.hasOwnProperty(key)) {
        formData.append(key, ticket[key]);
      }
    }

    for (let i = 0; i < filesList.length; i++) {
      formData.append(filesList[i].name, filesList[i]);
    }

    const headers = new Headers();
    headers.append("Accept", "application/json");
    const options = new RequestOptions({ headers: headers });

    return this.http
      .post(`${this.baseUrl}/SaveTicket`, formData, options)
      .map(this.extractData)
      .catch(this.handleError);
  }
}

  postTicket(ticket: Ticket, filesList: FileList): Observable<any> {
    const formData: FormData = new FormData();

    for (const key in ticket) {
      if (ticket.hasOwnProperty(key)) {
        formData.append(key, ticket[key]);
      }
    }

    for (let i = 0; i < filesList.length; i++) {
      formData.append(filesList[i].name, filesList[i]);
    }

    const headers = new Headers();
    headers.append("Accept", "application/json");
    const options = new RequestOptions({ headers: headers });

    return this.http
      .post(`${this.baseUrl}/SaveTicket`, formData, options)
      .map(this.extractData)
      .catch(this.handleError);

import { UploadFileSimpleService } from "./../upload-file-simple.service";

export class UploadFileSimpleComponent implements OnInit {
  constructor(private uploadService: UploadFileSimpleService  ) {}

  submitForm(form: NgForm) {
    const fileInput: HTMLInputElement = this.screenshotInput.nativeElement;
    console.log("fileInput.files", fileInput.files);

    this.uploadService
      .postTicket(this.model, fileInput.files)
      .subscribe(data => {
        console.log("success: ", data);
      });
  }

namespace AngularTemplateDrivenFormsLab.Models
{
    public class Ticket
    {
        public int Id { set; get; }
        public string Description { set; get; }
    }
}

using System.IO;
using System.Threading.Tasks;
using AngularTemplateDrivenFormsLab.Models;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;

namespace AngularTemplateDrivenFormsLab.Controllers
{
    [Route("api/[controller]")]
    public class SimpleUploadController : Controller
    {
        private readonly IHostingEnvironment _environment;
        public SimpleUploadController(IHostingEnvironment environment)
        {
            _environment = environment;
        }

        [HttpPost("[action]")]
        public async Task<IActionResult> SaveTicket(Ticket ticket)
        {
            //TODO: save the ticket ... get id
            ticket.Id = 1001;

            var uploadsRootFolder = Path.Combine(_environment.WebRootPath, "uploads");
            if (!Directory.Exists(uploadsRootFolder))
            {
                Directory.CreateDirectory(uploadsRootFolder);
            }

            var files = Request.Form.Files;
            foreach (var file in files)
            {
                //TODO: do security checks ...!

                if (file == null || file.Length == 0)
                {
                    continue;
                }

                var filePath = Path.Combine(uploadsRootFolder, file.FileName);
                using (var fileStream = new FileStream(filePath, FileMode.Create))
                {
                    await file.CopyToAsync(fileStream).ConfigureAwait(false);
                }
            }

            return Created("", ticket);
        }
    }
}

 SaveTicket(Ticket ticket)

 formData.append(filesList[i].name, filesList[i]);

var files = Request.Form.Files;
foreach (var file in files)