ng new MaterialAngularClient --routing

 ng g m ContactManager -m app.module --routing

import { ContactManagerModule } from "./contact-manager/contact-manager.module";

@NgModule({
  imports: [
    BrowserModule,
    BrowserAnimationsModule,
    CoreModule,
    SharedModule.forRoot(),
    ContactManagerModule,
    AppRoutingModule
  ],
})
export class AppModule { }

 ng g c contact-manager/ContactManagerApp --no-spec

CREATE src/app/contact-manager/contact-manager-app/contact-manager-app.component.html (38 bytes)
CREATE src/app/contact-manager/contact-manager-app/contact-manager-app.component.ts (319 bytes)
CREATE src/app/contact-manager/contact-manager-app/contact-manager-app.component.css (0 bytes)
UPDATE src/app/contact-manager/contact-manager.module.ts (436 bytes)

ng g c contact-manager/components/toolbar --no-spec
ng g c contact-manager/components/main-content --no-spec
ng g c contact-manager/components/sidenav --no-spec

import { NgModule } from "@angular/core";
import { RouterModule, Routes } from "@angular/router";

const routes: Routes = [
  { path: "contactmanager", loadChildren: "./contact-manager/contact-manager.module#ContactManagerModule" },
  { path: "", redirectTo: "contactmanager", pathMatch: "full" },
  { path: "**", redirectTo: "contactmanager" }
];

@NgModule({
  imports: [RouterModule.forRoot(routes)],
  exports: [RouterModule]
})
export class AppRoutingModule { }

import { NgModule } from "@angular/core";
import { RouterModule, Routes } from "@angular/router";

import { MainContentComponent } from "./components/main-content/main-content.component";
import { ContactManagerAppComponent } from "./contact-manager-app/contact-manager-app.component";

const routes: Routes = [
  {
    path: "", component: ContactManagerAppComponent,
    children: [
      { path: "", component: MainContentComponent }
    ]
  },
  { path: "**", redirectTo: "" }
];

@NgModule({
  imports: [RouterModule.forChild(routes)],
  exports: [RouterModule]
})
export class ContactManagerRoutingModule { }

 <app-sidenav></app-sidenav>

<app-toolbar></app-toolbar>
<router-outlet></router-outlet>

import { SharedModule } from "../shared/shared.module";

@NgModule({
  imports: [
    CommonModule,
    SharedModule,
    ContactManagerRoutingModule
  ]
})
export class ContactManagerModule { }

<mat-sidenav-container *ngIf="shouldRun">
   <mat-sidenav mode="side" opened>
      Sidenav content
   </mat-sidenav>
   Primary content
</mat-sidenav-container>

@import "~@angular/material/prebuilt-themes/indigo-pink.css";

body {
  margin: 0;
}

<mat-card>
  <h1>Main content</h1>
</mat-card>

<app-toolbar (toggleSidenav)="sidenav.toggle()"></app-toolbar>

<mat-sidenav  [opened]="!isScreenSmall" [mode]="isScreenSmall ? 'over' : 'side'">

import { Component, OnDestroy, OnInit } from "@angular/core";
import { MediaChange, ObservableMedia } from "@angular/flex-layout";
import { Subscription } from "rxjs";

@Component({
  selector: "app-sidenav",
  templateUrl: "./sidenav.component.html",
  styleUrls: ["./sidenav.component.css"]
})
export class SidenavComponent implements OnInit, OnDestroy {

  isScreenSmall = false;
  watcher: Subscription;

  constructor(private media: ObservableMedia) {
    this.watcher = media.subscribe((change: MediaChange) => {
      this.isScreenSmall = change.mqAlias === "xs";
    });
  }

  ngOnInit() {
  }

  ngOnDestroy() {
    this.watcher.unsubscribe();
  }
}

 <app-toolbar (toggleSidenav)="sidenav.toggle()"></app-toolbar>

import { Component, EventEmitter, OnInit, Output } from "@angular/core";

@Component({
  selector: "app-toolbar",
  templateUrl: "./toolbar.component.html",
  styleUrls: ["./toolbar.component.css"]
})
export class ToolbarComponent implements OnInit {

  @Output() toggleSidenav = new EventEmitter<void>();

  constructor() { }

  ngOnInit() {
  }
}

enable-migrations
add-migration Initial -IgnoreChanges
update-database

using System.Data.Entity.Migrations;
using System.Data.Entity.Migrations.Design;

namespace EFTests
{
    /// <summary>
    /// Using Entity Framework Code First with an existing database.
    /// </summary>
    public static class CreateMigrationHistory
    {
        /// <summary>
        /// Creates a new '__MigrationHistory' table.
        /// Enables migrations using Entity Framework Code First on an existing database.
        /// </summary>        
        public static void UpdateDatabase(DbMigrationsConfiguration configuration)
        {            
            var scaffolder = new MigrationScaffolder(configuration);
            // Creates an empty migration, so that the future migrations will start from the current state of your database.
            var scaffoldedMigration = scaffolder.Scaffold("IgnoreChanges", ignoreChanges: true);

            // enable-migrations
            // add-migration Initial -IgnoreChanges
            configuration.MigrationsAssembly = new MigrationCompiler(ProgrammingLanguage.CSharp.ToString())
                                                .Compile(configuration.MigrationsNamespace, scaffoldedMigration);

            // update-database  
            var dbMigrator = new DbMigrator(configuration);            
            dbMigrator.Update();
        }
    }
}

using System;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data.Common;
using System.Data.Entity;
using System.Data.Entity.Migrations;
using System.Data.Entity.Migrations.Design;
using System.Data.Entity.Spatial;
using System.IO;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Resources;
using System.Text;

namespace EF_General.Models.Ex22
{
    public enum ProgrammingLanguage
    {
        CSharp,
        VB
    }

    public class MigrationCompiler
    {
        private readonly CodeDomProvider _codeProvider;

        public MigrationCompiler(string language)
        {
            _codeProvider = CodeDomProvider.CreateProvider(language);
        }

        public Assembly Compile(string @namespace, params ScaffoldedMigration[] scaffoldedMigrations)
        {
            var options = new CompilerParameters
            {
                GenerateExecutable = false,
                GenerateInMemory = true
            };

            options.ReferencedAssemblies.Add(typeof(string).Assembly.Location);
            options.ReferencedAssemblies.Add(typeof(Expression).Assembly.Location);
            options.ReferencedAssemblies.Add(typeof(DbMigrator).Assembly.Location);
            options.ReferencedAssemblies.Add(typeof(DbContext).Assembly.Location);
            options.ReferencedAssemblies.Add(typeof(DbConnection).Assembly.Location);
            options.ReferencedAssemblies.Add(typeof(Component).Assembly.Location);
            options.ReferencedAssemblies.Add(typeof(MigrationCompiler).Assembly.Location);
            options.ReferencedAssemblies.Add(typeof(DbGeography).Assembly.Location);

            var embededResources = GenerateEmbeddedResources(scaffoldedMigrations, @namespace);
            foreach (var resource in embededResources)
                options.EmbeddedResources.Add(resource);

            var sources = scaffoldedMigrations.SelectMany(g => new[] { g.UserCode, g.DesignerCode });

            var compilerResults = _codeProvider.CompileAssemblyFromSource(options, sources.ToArray());
            foreach (var resource in embededResources)
                File.Delete(resource);

            if (compilerResults.Errors.Count > 0)
            {
                throw new InvalidOperationException(BuildCompileErrorMessage(compilerResults.Errors));
            }

            return compilerResults.CompiledAssembly;
        }

        private static string BuildCompileErrorMessage(CompilerErrorCollection errors)
        {
            var stringBuilder = new StringBuilder();

            foreach (CompilerError error in errors)
            {
                stringBuilder.AppendLine(error.ToString());
            }

            return stringBuilder.ToString();
        }

        private static IEnumerable<string> GenerateEmbeddedResources(IEnumerable<ScaffoldedMigration> scaffoldedMigrations, string @namespace)
        {
            foreach (var scaffoldedMigration in scaffoldedMigrations)
            {
                var className = GetClassName(scaffoldedMigration.MigrationId);
                var embededResource = Path.Combine(
                    Path.GetTempPath(),
                    @namespace + "." + className + ".resources");

                using (var writer = new ResourceWriter(embededResource))
                {
                    foreach (var resource in scaffoldedMigration.Resources)
                        writer.AddResource(resource.Key, resource.Value);
                }

                yield return embededResource;
            }
        }

        private static string GetClassName(string migrationId)
        {
            return migrationId
                .Split(new[] { '_' }, 2)
                .Last()
                .Replace(" ", string.Empty);
        }
    }
}

 CreateMigrationHistory.UpdateDatabase(new Configuration());

    public class Configuration : DbMigrationsConfiguration<MyContext>
    {
        public Configuration()
        {
            AutomaticMigrationsEnabled = true;
            AutomaticMigrationDataLossAllowed = true;
        }
    }

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>@ViewBag.Title - My ASP.NET Application</title>
 
    <link href="~/node_modules/bootstrap/dist/css/bootstrap.css" rel="stylesheet" />
    <link href="~/app/app.component.css" rel="stylesheet"/>
    <link href="~/Content/Site.css" rel="stylesheet" type="text/css" />
 
    <!-- 1. Load libraries -->
    <!-- IE required polyfills, in this exact order -->
    <script src="~/node_modules/angular2/es6/dev/src/testing/shims_for_IE.js"></script>
    <script src="~/node_modules/es6-shim/es6-shim.min.js"></script>
    <script src="~/node_modules/systemjs/dist/system-polyfills.js"></script>
 
    <script src="~/node_modules/angular2/bundles/angular2-polyfills.js"></script>
    <script src="~/node_modules/systemjs/dist/system.src.js"></script>
    <script src="~/node_modules/rxjs/bundles/Rx.js"></script>
    <script src="~/node_modules/angular2/bundles/angular2.dev.js"></script>
 
    <!-- Required for http -->
    <script src="~/node_modules/angular2/bundles/http.dev.js"></script>
 
    <!-- Required for routing -->
    <script src="~/node_modules/angular2/bundles/router.dev.js"></script> 
 
    <!-- 2. Configure SystemJS -->
    <script>
        System.config({
            packages: {
                app: {
                    format: 'register',
                    defaultExtension: 'js'
                }
            }
        });
        System.import('app/main')
              .then(null, console.error.bind(console));
    </script>
</head>
<body>
    <div>
        @RenderBody()
        <pm-app>Loading App...</pm-app>
    </div>
 
    @RenderSection("Scripts", required: false)
</body>
</html>

import { Component } from 'angular2/core';
 
@Component({
    selector: 'pm-app',
    template:`
    <div><h1>{{pageTitle}}</h1>
        <div>My First Component</div>
    </div>
    `
})
export class AppComponent {
    pageTitle: string = "DNT AngularJS 2.0 APP";
}

 selector: 'pm-app',

    <div>
        @RenderBody()
        <pm-app>Loading App...</pm-app>
    </div>

  template:`
 <div><h1>{{pageTitle}}</h1>
<div>My First Component</div>
 </div>
 `

import { Component } from 'angular2/core';

<div>
    @RenderBody()
    <pm-app>Loading App...</pm-app>
</div>

 System.import('app/main')

/// <reference path="../node_modules/angular2/typings/browser.d.ts" />
 
import { bootstrap } from "angular2/platform/browser";
 
// Our main component
import { AppComponent } from "./app.component";
 
bootstrap(AppComponent);

 node_modules\angular2\src\core\application_ref.d.ts(171,81): error TS2304: Build: Cannot find name 'Promise'.
node_modules\angular2\src\core\change_detection\differs\default_keyvalue_differ.d.ts(23,15): error TS2304: Build: Cannot find name 'Map'.

• Custom Elements
• Shadow DOM
• HTML Templates

Custom Elements

//app.component.js
class AppComponent extends HTMLElement {
  static is = 'app-root'
  connectedCallback(){
    this.innerHTML=`<h1>Hello World!</h1>`
  }
}

customElements.define(AppComponent.is, AppComponent)

//index.html
<app-root></app-root>

//confirm-link.component.js
class ConfirmLinkComponent extends HTMLAnchorElement {
  static is = "confim-link";
  connectedCallback() {
    this.addEventListener("click", e => {
      if (!confirm("Are you sure?")) {
        e.preventDefault();
      }
    });
  }
}
customElements.define(ConfirmLinkComponent.is, ConfirmLinkComponent, {
  extends: "a"
});

<a href="http://google.com" is='confirm-link'>
google.com
</a>

var div = document.createElement('div');
var shadowRoot = div.attachShadow({mode: 'open'}); //or mode: 'closed'
shadowRoot.innerHTML = '<h1>Hello Shadow DOM</h1>';

<div id="template" hidden>
  <img src="logo.png">
  <div class="comment"></div>
</div>

<script id="template" type="text/x-template">
  <img src="logo.png">
  <div class="comment"></div>
</script>

<script id="template" type="text/x-kendo-template">
        <ul>
            # for (var i = 0; i < data.length; i++) { #
            <li>#= data[i] #</li>
            # } #
        </ul>
</script>

<template id="template">
  <img src="logo.png">
  <div class="comment"></div>
</template>

  var template = document.querySelector("template");
  var clonedNode = template.content.cloneNode(true); //deep:true
  document.body.appendChild(clonedNode);

•  Lazy Loading
  
• Eager Loading
  
• Explicit Loading

private static void Query11()
{
    using (var context = new StoreDbContext())
    {
        var customer = context.Customers.First();

        Console.WriteLine("Customer Name: {0}, Customer Family: {1}", customer.Name, customer.Family);
        foreach (var order in customer.Orders)
        {
            Console.WriteLine("\t Order Date: {0}", order.Date);
        }
    }
}

context.Configuration.LazyLoadingEnabled = false;

private static void Query12()
{
    using (var context = new StoreDbContext())
    {
        var customers = context.Customers;
        foreach (var customer in customers)
        {
            Console.WriteLine("Customer Name: {0}, Customer Family: {1}", customer.Name, customer.Family);
            foreach (var order in customer.Orders)
            {
                Console.WriteLine("\t Order Date: {0}", order.Date);
            }
        }
    }
}

private static void Query13()
{
    using (var context = new StoreDbContext())
    {
        var customers = context.Customers.Include(c => c.Orders);
        //var customers = context.Customers.Include("Orders");
        foreach (var customer in customers)
        {
            Console.WriteLine("Customer Name: {0}, Customer Family: {1}", customer.Name, customer.Family);
            foreach (var order in customer.Orders)
            {
                Console.WriteLine("\t Order Date: {0}", order.Date);
            }
        }
}

context.OrderDetails.Include(o => o.Order.Customer)

context.Orders.Include(o => o.OrderDetail.Select(od => od.Product))

context.Orders.Include(o => o.Customer).Include(o => o.OrderDetail)

private static void Query14()
{
    using (var context = new StoreDbContext())
    {
        var customer = context.Customers.First(c => c.Family == "Jamshidi");

        context.Entry(customer).Collection(c => c.Orders).Load();

        foreach (var order in customer.Orders)
        {
            Console.WriteLine(order.Date);
        }
    }
}

private static void Query15()
{
    using (var context = new StoreDbContext())
    {
        var order = context.Orders.First();

        context.Entry(order).Reference(o => o.Customer).Load();

        Console.WriteLine(order.Customer.FullName);
    }
}

if (context.Entry(order).Reference(o => o.Customer).IsLoaded)
    context.Entry(order).Reference(o => o.Customer).Load();

private static void Query16()
{
    using (var context = new StoreDbContext())
    {
        var customer = context.Customers.First(c => c.Family == "Jamshidi");

        IQueryable<Order> query = context.Entry(customer).Collection(c => c.Orders).Query();

        var order = query.First();
    }
}

/// <summary>
/// دستور العمل
/// </summary>
class Recipe
{
  public int Id { get; set; }
  public string Name { get; set; }
}

/// <summary>
/// بازخورد
/// </summary>
class Review
{
  public int RecipeId { get; set; }
  public string ReviewText { get; set; }
}

Recipe[] recipes =
{
   new Recipe {Id = 1, Name = "Mashed Potato"},
   new Recipe {Id = 2, Name = "Crispy Duck"},
   new Recipe {Id = 3, Name = "Sachertorte"}
};

Review[] reviews =
{
   new Review {RecipeId = 1, ReviewText = "Tasty!"},
   new Review {RecipeId = 1, ReviewText = "Not nice :("},
   new Review {RecipeId = 1, ReviewText = "Pretty good"},
   new Review {RecipeId = 2, ReviewText = "Too hard"},
   new Review {RecipeId = 2, ReviewText = "Loved it"}
};

var query = from recipe in recipes
join review in reviews on recipe.Id equals review.RecipeId
select new //anonymous type
{
   RecipeName = recipe.Name,
   RecipeReview = review.ReviewText
};

foreach (var item in query)
{
   Console.WriteLine($"{item.RecipeName}-{item.RecipeReview}");
}

Mashed Potato-Tasty!
Mashed Potato-Not nice :(
Mashed Potato-Pretty good
Crispy Duck-Too hard
Crispy Duck-Loved it

var query = from recipe in recipes
join review in reviews on recipe.Id equals review.RecipeId
into reviewGroup
select new //anonymous type
{
   RecipeName = recipe.Name,
   Reviews = reviewGroup//collection of related reviews
};

foreach (var item in query)
{
   Console.WriteLine($"Review for {item.RecipeName}");
   foreach (var review in item.Reviews)
   {
       Console.WriteLine($"-{review.ReviewText}");
   }
}

Review for Mashed Potato
-Tasty!
-Not nice :(
-Pretty good
Review for Crispy Duck
-Too hard
-Loved it
Review for Sachertorte

var query = from recipe in recipes
join review in reviews on recipe.Id equals review.RecipeId
into reviewGroup
from rg in reviewGroup.DefaultIfEmpty()
select new //anonymous type
{
   RecipeName = recipe.Name,
   //RecipeReview = rg.ReviewText SystemNullException
   RecipeReview = (rg == null ? "n/a" : rg.ReviewText)
};

foreach (var item in query)
{
   Console.WriteLine($"{item.RecipeName}-{item.RecipeReview}");
}

Mashed Potato-Tasty!
Mashed Potato-Not nice :(
Mashed Potato-Pretty good
Crispy Duck-Too hard
Crispy Duck-Loved it
Sachertorte-n/a

var query = from recipe in recipes
join review in reviews on recipe.Id equals review.RecipeId
into reviewGroup
from rg in reviewGroup.DefaultIfEmpty(new Review { ReviewText = "N/A" })
select new //anonymous type
{
   RecipeName = recipe.Name,
   RecipeReview = rg.ReviewText
};

foreach (var item in query)
{
   Console.WriteLine($"{item.RecipeName}-{item.RecipeReview}");
}

 Mashed Potato-Tasty!
Mashed Potato-Not nice :(
Mashed Potato-Pretty good
Crispy Duck-Too hard
Crispy Duck-Loved it
Sachertorte-N/A 
 

 app.UseMvcWithDefaultRoute();

    public static IApplicationBuilder UseMvcWithDefaultRoute(this IApplicationBuilder app)
    {
      if (app == null)
        throw new ArgumentNullException("app");
      return app.UseMvc((Action<IRouteBuilder>) (routes => routes.MapRoute("default", "{controller=Home}/{action=Index}/{id?}")));
    }

 [Route("[controller]/[action]")]

namespace Core1RtmEmptyTest.Controllers
{
  public class HomeController
  {
   public string Index()
   {
    return "Running a POCO controller!";
   }
  }
}

app.UseMvc(routes =>
{
  routes.MapRoute(
   name: "default",
   template: "{controller=Home}/{action=Index}/{id?}");
});

using Microsoft.AspNetCore.Mvc;
 
namespace Core1RtmEmptyTest.Controllers
{
  public class AboutController : Controller
  {
   public ActionResult Hello()
   {
    return Content("Hello from DNT!");
   }
 
   public ActionResult SiteName()
   {
    return Content("DNT");
   }
  }
}

using Microsoft.AspNetCore.Mvc;
 
namespace Core1RtmEmptyTest.Controllers
{
  [Route("About")]
  public class AboutController : Controller
  {
   [Route("")]
   public ActionResult Hello()
   {
    return Content("Hello from DNT!");
   }
 
   [Route("SiteName")]
   public ActionResult SiteName()
   {
    return Content("DNT");
   }
  }
}

 AmbiguousActionException: Multiple actions matched. The following actions matched route data and had all constraints satisfied:

Core1RtmEmptyTest.Controllers.AboutController.Hello (Core1RtmEmptyTest)
Core1RtmEmptyTest.Controllers.AboutController.SiteName (Core1RtmEmptyTest)

using Microsoft.AspNetCore.Mvc;
 
namespace Core1RtmEmptyTest.Controllers
{
  [Route("[controller]")]
  public class AboutController : Controller
  {
   [Route("")]
   public ActionResult Hello()
   {
    return Content("Hello from DNT!");
   }
 
   [Route("[action]")]
   public ActionResult SiteName()
   {
    return Content("DNT");
   }
  }
}

 [Route("api/[controller]")]

//[Route("/Users/{userid}")]
[Route("Users/{userid}")]
public IActionResult GetUsers(int userId)
{
    return Json(new { userId = userId });
}

[Route("/Users/{userid:int?}")]

 [Route("Users/{userid:int}")]

 [Route("/Users/{userid:int:max(1000):min(10)}")]

 [Route("/Users/{userid:int}", Name="GetUserById")]

 string uri = Url.Link("GetUserById", new { userid = 1 });

 [Route("/Users/{userid:int}", Name = "GetUserById", Order = 1)]

using System;
using System.Globalization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Routing;
 
namespace Core1RtmEmptyTest
{
  public class CustomRouteConstraint : IRouteConstraint
  {
   public bool Match(HttpContext httpContext, IRouter route, string routeKey, RouteValueDictionary values,
    RouteDirection routeDirection)
   {
    object value;
    if (!values.TryGetValue(routeKey, out value) || value == null)
    {
      return false;
    }
 
    long longValue;
    if (value is long)
    {
      longValue = (long)value;
      return longValue != 10;
    }
 
    var valueString = Convert.ToString(value, CultureInfo.InvariantCulture);
    if (long.TryParse(valueString, NumberStyles.Integer,
      CultureInfo.InvariantCulture, out longValue))
    {
      return longValue != 10;
    }
    return false;
   }
  }
}

public void ConfigureServices(IServiceCollection services)
{
    services.AddRouting(options =>options.ConstraintMap.Add("Custom", typeof(CustomRouteConstraint)));

 [Route("/Users/{userid:int:custom}")]

app.UseMvc(routes =>
{
  routes.MapRoute(
   name: "default",
   template: "{controller=Home}/{action=Index}/{id?}");
 
  routes.MapRoute(
   name: "spa-fallback",
   template: "{*url}",
   defaults: new { controller = "Home", action = "Index" });
});

{
    "dependencies": {
       //same as before  
       "Microsoft.AspNetCore.SpaServices": "1.0.0-beta-000007"
 },

app.UseMvc(routes =>
{
  routes.MapRoute(
   name: "default",
   template: "{controller=Home}/{action=Index}/{id?}");
 
  routes.MapSpaFallbackRoute("spa-fallback", new { controller = "Home", action = "Index" });
});

// Serve wwwroot as root
app.UseFileServer();
 
// Serve /node_modules as a separate root (for packages that use other npm modules client side)
app.UseFileServer(new FileServerOptions
{
  // Set root of file server
  FileProvider = new PhysicalFileProvider(Path.Combine(Directory.GetCurrentDirectory(), "node_modules")),
  // Only react to requests that match this path
  RequestPath = "/node_modules",
  // Don't expose file system
  EnableDirectoryBrowsing = false
});

که اگر بخوام این مشکل را بر طرف بشه کافی:

به جای این کد

PdfStamper pdfStamper = new PdfStamper(pdfReader, stream);