ASP.NET Core/MVC: Error – The name ‘angular’ does not exist in the current context on Compilation

Standard

In case you are integrating Angular2 and Angular Material 2 with your ASP.NET Core and ASP.NET MVC project, you might need to include css or js files explicitly in layout.cshtml.

screenshot_5

As you can see red squiggly line on @angular, simple reason is ‘@’ character is Razor server side symbol, so Razor View Engine is throwing up exception.

screenshot_4

Solution:

Declare @lib variable in razor view to handle @angular as part of value for href.

@{ var @lib= "@angular"; }

<environment names="Development">
   <link href="~/node_modules/@lib/material/core/theming/prebuilt/indigo-pink.css" />
</environment>
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ASP.NET MVC: 500 Internal Server Error on requesting css, js, images, woff, woff2 resource files

Standard

I was working on deployment of Angular2 application with ASP.NET MVC 5 on Azure and came across this specific issue that all images of extension .woff and .woff2 were not loading successfully in browser, although path of these files were correct, Everything was working fine in local machine but after deployment on Azure it stop loading all sprites and images with mime of extension .woff, .woff2.

My project web.config has below code:

<staticContent>
  <mimeMap fileExtension=".woff" mimeType="application/x-font-woff" />
  <mimeMap fileExtension=".woff2" mimeType="application/x-font-woff" />
</staticContent>

I checked all below scenario and there was no issue:

  • Check permissions in IIS and on disk for files
  • Check IIS setting for static files

Solution:

Where as I needed below code because newer version of IIS on Server 2012 has .woff and .woff2 already added in its MIME list, if we try to add same MIME again then it crash without giving any proper stack trace error and just went 500. So I remove faulty file extension and introduce proper MIME configuration in web.config all over again..

<staticContent>
      <remove fileExtension=".woff" />
      <remove fileExtension=".woff2" />
      <mimeMap fileExtension=".woff" mimeType="application/font-woff" />
      <mimeMap fileExtension=".woff2" mimeType="application/font-woff2" />
</staticContent>

 

 

Angular: Resolving Routing conflict of Angular 1 and Angular 2 for ASP.NET MVC and ASP.NET WEBApi

Standard

This is a quick-fix solution, you need to improvise it a lot in-order to make it more like a production code.

Assuming you have followed proper style guidelines for Angular 1 and Angular 2, so application will be already composed into modules within your angular code, follow below routing guideline by introducing module name / application name and then specific location route

Routes = [
    { path: 'home/dashboard', component: DashboardComponent },
    { path: 'home/notification', component: NotificationComponent },
    { path: 'movie/searchMovie', component: SearchMovieComponent },
    { path: 'movie/searchMovieList', component: SearchMovieListComponent },
    { path: 'movie/searchMovieDetail', component: SearchMovieDetailComponent }
];

In asp.net mvc/webapi routeConfig.cs/webapiConfig.cs file you need to define these custom routes before default route

routes.MapRoute(
    name: "homeDashboard",
    url: "home/{*.}",
    defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
);

routes.MapRoute(
    name: "searchMovie",
    url: "movie/{*.}",
    defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
);

routes.MapRoute(
    name: "Default",
    url: "{controller}/{action}/{id}",
    defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
);

url attribute clearly shows that mvc/webapi routing engine will accept any route if it has movie as or home as starting reference in route pattern and this will help you to get rid of “The resource cannot be found – HTTP 404” error.

Angular2: Step by Step guide of using Angular2 with Typescript for ASP.NET MVC in Visual Studio 2015

Standard

During last couple of months, I have received a lot of requests how to use angular2 in ASP.NET MVC in visual studio environment, Its quite easy to integrate angular2 in asp.net core project, so I am publishing step by step guide to integrate Angular 2 in ASP.NET MVC.

Pre Step:

    • Install Visual Studio

Download latest version of Visual Studio 2015 Community Edition with recent update (Update 3)

    • Install NodeJS and NPM

Download latest version of Nodejs and NPM (Make sure that you are running node version 4.4.x5.x.x, and npm 3.x.x by running node -v and npm -v in a terminal/console window. Older versions produce errors.)

    • Install Node.js Tools for Visual Studio (optional)

Download – Turn Visual Studio into a powerful Node.js development environment.

    • Install Typescript

Download latest version of Typescript (version >= 2.0)
OR
Ensure you have the latest version of Visual Studio 2015 installed. Then open Visual Studio and install the latest set of TypeScript tools as follows:

  • Open Tools | Extensions and Updates.
  • Select Online in the tree on the left.
  • Search for TypeScript using the search box in the upper right.
  • Select the most current available TypeScript version.
  • Download and install the package.
    • Install Package Installer extension (optional)

Download – Visual Studio extension that makes it easy and fast to install Bower, npm, JSPM, TSD, Typings and NuGet packages.


 Download Demo from Github

Step 1: Create an ASP.NET MVC project

Create the ASP.NET 4.x project as follows:

  • In Visual Studio, select File | New | Project from the menu.
  • In the template tree, select Templates | Visual C# (or Visual Basic) | Web.
  • Select the ASP.NET Web Application template, give the project a name, and click OK.
  • Select the desired ASP.NET 4.5.2 template (>= 4.x.x) and click OK.

screenshot_7
screenshot_8

  • Avoid Adding any authorization and authentication at this point of time to keep project quite simple

screenshot_9

Please note all configuration and package versions are according to Angular Quickstart Guide


Step 2: Create Package.json file

package.json identifies npm package dependencies for the project.

{
  "name": "ang2demo",
  "version": "1.0.0",
  "scripts": {},
  "license": "ISC",
  "dependencies": {
    "@angular/common": "~2.0.1",
    "@angular/compiler": "~2.0.1",
    "@angular/core": "~2.0.1",
    "@angular/forms": "~2.0.1",
    "@angular/http": "~2.0.1",
    "@angular/platform-browser": "~2.0.1",
    "@angular/platform-browser-dynamic": "~2.0.1",
    "@angular/router": "~3.0.1",
    "@angular/upgrade": "~2.0.1",
    "bootstrap": "^3.3.7",
    "core-js": "^2.4.1",
    "reflect-metadata": "^0.1.8",
    "rxjs": "5.0.0-beta.12",
    "systemjs": "0.19.39",
    "zone.js": "^0.6.25"
  },
  "devDependencies": {
    "@types/core-js": "^0.9.34",
    "typescript": "^2.0.3",
    "typings": "^1.4.0"
  }
}

screenshot_4

Note:

Please note that @types/core-js are not mentioned in Angular Quickstart Guide in devDepenedcies section, Add this to avoid duplicate identifier error otherwise you are going to get as “Angular 2 can’t find Promise, Map, Set and Iterator”


Step 3: Create tsconfig.json file

This file defines how the TypeScript compiler generates JavaScript from the project’s files.

For Visual Studio 2015 we must add "compileOnSave": true to the TypeScript configuration (tsconfig.json) file as shown here.

{
  "compileOnSave": true,
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": false,
    "typeRoots": [
      "node_modules/@types"
    ],
    "types": [
      "core-js"
    ]
  }
}

screenshot_12

Note:

  • On creating this file you will receive alert from Visual Studio such as below, Just Press No:

screenshot_14

  • Please note that below code is not note mentioned in Angular Quickstart Guide in tsconfig.json, Add this to avoid duplicate identifier error otherwise you are going to get as “Angular 2 can’t find Promise, Map, Set and Iterator”

screenshot_2


Step 4: Create typings.json file

This file provides additional definition files for libraries that the TypeScript compiler doesn’t natively recognize.

{
  "globalDependencies": {
    "core-js": "registry:dt/core-js#0.0.0+20160725163759",
    "jasmine": "registry:dt/jasmine#2.2.0+20160621224255",
    "node": "registry:dt/node#6.0.0+20160909174046"
  }
}

screenshot_3


Step 5: Install package.json file

Open CMD and redirect to your application folder and Using npm from the command line, install the packages listed in package.json with the command:

> npm install

screenshot_19

After executing command, output will be like this.

screenshot_20

Note:

    • Error messages—in red—might appear during the install, and you might see npm WARN messages. As long as there are no npm ERR! messages at the end, you can assume success.
    • Do not include the node_modules folder in the project. Let it be a hidden project folder.But you may view the hidden folder in Visual Studio using “Show All Files” option in Solution Explorer.

screenshot_22


Step 6: Create Sample Angular 2 Code using Typescript

I am using sample code from Angular Quickstart Guide

1. Create a folder name “App” in Scripts folder

2. Create application module file

Angular itself is split into separate Angular Modules. This makes it possible for you to keep payload size small by only importing the parts of Angular that your application needs.Every Angular application has at least one module: the root module, named AppModule here.

Create the file App/app.module.ts with the following content:

import { NgModule }      from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent }   from './app.component';
@NgModule({
  imports:      [ BrowserModule ],
  declarations: [ AppComponent ],
  bootstrap:    [ AppComponent ]
})
export class AppModule { }

This is the entry point to your application.

Root module needs to import the BrowserModule from @angular/platform-browser to the imports array.

This is the smallest amount of Angular that is needed for a minimal application to run in the browser.

3. Create a component & add it to your application

Every Angular application has at least one component: the root component, named AppComponent here.Components are the basic building blocks of Angular applications. A component controls a portion of the screen—a view—through its associated template.

Create the file App/app.component.ts with the following content:

import { Component } from '@angular/core';
@Component({
  selector: 'my-app',
  template: 'My First Angular App - Demo' }) 
export class AppComponent { }

4. Create a Start up file

Now we need to tell Angular to start up your application.

Create the file App/main.ts with the following content:

import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app.module';
const platform = platformBrowserDynamic();
platform.bootstrapModule(AppModule);

This code initializes the platform that your application runs in, then uses the platform to bootstrap your AppModule.

Note:

  • Please note that transplied typescript files will automatically be available in App folder as we have mentioned attribute CompileOnSave is true in tsconfig.json

Files visible in Visual Studio:

screenshot_2

Files visible in Folder:

screenshot_3


Step 7: Create systemjs.config.js file

This file provides information to a module loader about where to find application modules, and registers all the necessary packages.

Create the file Scripts/systemjs.config.js with the following content:

/**
 * System configuration for Angular samples
 * Adjust as necessary for your application needs.
 */
(function (global) {
    System.config({
        paths: {
            // paths serve as alias
            'npm:': '/node_modules/'
        },
        // map tells the System loader where to look for things
        map: {
            // our app is within the app folder
            app: '/Scripts',
            // angular bundles
            '@angular/core': 'npm:@angular/core/bundles/core.umd.js',
            '@angular/common': 'npm:@angular/common/bundles/common.umd.js',
            '@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
            '@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
            '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
            '@angular/http': 'npm:@angular/http/bundles/http.umd.js',
            '@angular/router': 'npm:@angular/router/bundles/router.umd.js',
            '@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
            // other libraries
            'rxjs': 'npm:rxjs'
        },
        // packages tells the System loader how to load when no filename and/or no extension
        packages: {
            app: {
                main: './main.js',
                defaultExtension: 'js'
            },
            rxjs: {
                defaultExtension: 'js'
            }
        }
    });
})(this);

screenshot_5

Note:

    • npm attribute highlighted in red color in above image should point to folder which has all installed packages, in our case it is node_modules folder.
    • app attribute highlighted in red color in above image should point to folder which has all application transcript code, in our case it is Scripts folder.
    • main attribute highlighted in red color in above image should point to js file which contains angular application startup code, in our case it is main.ts file.

Step 8: Load and Render Angular2 application in ASP.NET MVC Views

screenshot_15

  • In order to load angular 2 application in MVC, integrate angular 2 libraries references and system.js configurations in Views/Shared/_Layout.cshtml file
   
   
   @ViewBag.Title - My ASP.NET Application
    @Styles.Render("~/Content/css")
    @Scripts.Render("~/bundles/modernizr")
    http://~/node_modules/core-js/client/shim.min.js
    http://~/node_modules/zone.js/dist/zone.js
    http://~/node_modules/reflect-metadata/Reflect.js
    http://~/node_modules/systemjs/dist/system.src.js

    
    http://~/Scripts/systemjs.config.js
    
        System.import('../../Scripts/App/main').catch(function (err)
        {
            console.error(err);
        });
    

 System.import('../../Scripts/App/main')
  • In order to kickstart angular code in browser, integrate component in Views/Home/index.cshtml file
@{
    ViewBag.Title = "Home Page";
}

<span class="jumbotron">
 <my-app>Loading...</my-app>
</span>

Step 9: Build and run the app

Click the Run button or press CTRL + F5 to build and run the application.

This launches the default browser and runs the QuickStart sample application.

screenshot_2

Try editing any of the project files. Save and refresh the browser to see the changes.


In case of Error such as:

  • Error 1

Compiler errors such as “Property map does not exist on type Observable” and “Observable cannot be found” indicate an old release of Visual Studio. Exit Visual Studio and follow the instructions here.

You’ll be asked to replace the file

c:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TypeScript.typescriptServices.js

This operation requires admin privileges.

OR Stackoverflow link

  • Error 2

IDE issues such as ‘component can not be properly resolved, probably its located in an inaccessible module’

screenshot_3

occurs when angular2 keyowrd are highlighted red as no intellisense is available for them by Visual Studio 2015 visible in below images

screenshot_4 screenshot_6

Inorder to resolve them make sure you have Resharper -> Check your Resharper Typescript Language settings. Resharper might be set to older version of typescript 1.6.  Download latest version of resharper and restart Visual Studio. In case it doesnt work try to set Typescript language level to 2.0 under Inspection Tab from Resharper Options menu. Stackoverflow


Cheers. Happy Coding.

ASP.NET: Send SMS using asp.net MVC using ViaNett

Standard

Sending SMS from asp.net mvc application using ViaNett service is pretty easy.

Benefits

  • 15 years’ experience
  • 13 APIs for easy integration
  • SMS wholesale worldwide
  • Dispatch of about 700,000 SMS per day
  • Online monitoring of all events worldwide 24/7
  • Business customers in more than 100 countries

Get Free Trial Account:

  • Free Registration
  • Send 5 SMS free of charge
  • Fill form at Sign up for free
  • Create trial account signing in to website using Email and Password.

Snippet:

        public String TestViaNett(SmsModel obj)
        {
            const string url = "http://smsc.vianett.no/v3/cpa/cpawebservice.asmx";
            const string action = "http://smsc.vianett.no/CPA/SendSMS_Simple1";
 
            XmlDocument soapEnvelopeXml = CreateSoapEnvelopeForViaNett(obj);
            HttpWebRequest webRequest = CreateWebRequest(url, action);
 
            InsertSoapEnvelopeIntoWebRequest(soapEnvelopeXml, webRequest);
 
            string result;
            using (WebResponse response = webRequest.GetResponse())
            {
                using (StreamReader rd = new StreamReader(response.GetResponseStream()))
                {
                    result = rd.ReadToEnd();
                }
            }
            return result;
        }
 
        private static HttpWebRequest CreateWebRequest(string url, string action)
        {
            HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
            webRequest.Headers.Add("SOAPAction", action);
            webRequest.ContentType = "text/xml;charset=\"utf-8\"";
            webRequest.Accept = "text/xml";
            webRequest.Method = "POST";
            return webRequest;
        }
 
        private static XmlDocument CreateSoapEnvelopeForViaNett(SmsModel obj)
        {
            XmlDocument soapEnvelopeXml = new XmlDocument();
            soapEnvelopeXml.LoadXml(@"<?xml version=""1.0"" encoding=""utf-8""?>
                    <soap:Envelope xmlns:soap=""http://schemas.xmlsoap.org/soap/envelope/"" xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xmlns:xsd=""http://www.w3.org/2001/XMLSchema"">
                    <soap:Body>
                    <SendSMS_Simple1 xmlns=""http://smsc.vianett.no/CPA/"">
                    <UserName>username</UserName>
                    <PassWord>password</PassWord>
                    <Tel>" + obj.Reciever + "</Tel>" +
                    "<Msg>" + obj.Message + "</Msg>" +
                    "</SendSMS_Simple1>" +
                    "</soap:Body>" +
                    "</soap:Envelope>");
            return soapEnvelopeXml;
        }
 
        private static void InsertSoapEnvelopeIntoWebRequest(XmlDocument soapEnvelopeXml, HttpWebRequest webRequest)
        {
            using (Stream stream = webRequest.GetRequestStream())
            {
                soapEnvelopeXml.Save(stream);
            }
        }

 

ASP.NET: Send SMS using asp.net MVC using ASPSMS

Standard

Sending SMS from asp.net mvc application using ASPSMS service is pretty easy.

Benefits

  • Text SMS, Binary SMS, Unicode SMS etc.
  • Concatenated SMS (up to 9 SMS linked together as one SMS, up to 1377 characters)
  • Bulk SMS functionality
  • Personalized bulk SMS deliveries
  • Define an originator for each sent SMS
  • Realtime SMS delivery notifications
  • Intelligent SMS routing which provides best possible delivery quality
  • ASPTOKEN, innovative two-factor authentication method
  • ASPSMS offers the most extensive SMS roaming (over 200 countries and 900 mobile networks)

Get Free Trial Account:

2016-09-06-12_47_01-aspsms-com-test-credits

2016-09-06-12_47_14-aspsms-com-test-credits

  • Create trial account signing in to website using Email and Password. You will receive USERKEY and Sender Approved Number 

Code:

       public String TestASPSMS(SmsModel obj)
       {
            const string url = "https://webservice.aspsms.com/aspsmsx2.asmx";
            const string action = "https://webservice.aspsms.com/aspsmsx2.asmx/SendSimpleTextSMS";
 
            XmlDocument soapEnvelopeXml = CreateSoapEnvelopeForASPSMS(obj);
            HttpWebRequest webRequest = CreateWebRequest(url, action);
 
            InsertSoapEnvelopeIntoWebRequest(soapEnvelopeXml, webRequest);
 
            string result;
            using (WebResponse response = webRequest.GetResponse())
            {
                using (StreamReader rd = new StreamReader(response.GetResponseStream()))
                {
                    result = rd.ReadToEnd();
                }
            }
            return result;
        }
 
        private static HttpWebRequest CreateWebRequest(string url, string action)
        {
            HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
            webRequest.Headers.Add("SOAPAction", action);
            webRequest.ContentType = "text/xml;charset=\"utf-8\"";
            webRequest.Accept = "text/xml";
            webRequest.Method = "POST";
            return webRequest;
        }
 
        private static XmlDocument CreateSoapEnvelopeForASPSMS(SmsModel obj)
        {
            obj.Sender = "Sender_Approved_Number";
            XmlDocument soapEnvelopeXml = new XmlDocument();
            soapEnvelopeXml.LoadXml(@"<?xml version=""1.0"" encoding=""utf-8""?>
                    <soap:Envelope xmlns:soap=""http://schemas.xmlsoap.org/soap/envelope/"" xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xmlns:xsd=""http://www.w3.org/2001/XMLSchema"">
                    <soap:Body>
                    <SendSimpleTextSMS  xmlns=""https://webservice.aspsms.com/aspsmsx2.asmx"">
                    <UserKey>userkey</UserKey>
                    <Password>password</Password>
                    <Recipients>" + obj.Reciever + "</Recipients>" +
                    "<Originator>" + obj.Sender + "</Originator>" +
                    "<MessageText>" + obj.Message + "</MessageText>" +
                    "</SendSimpleTextSMS >" +
                    "</soap:Body>" +
                    "</soap:Envelope>");
            return soapEnvelopeXml;
        }
 
        private static void InsertSoapEnvelopeIntoWebRequest(XmlDocument soapEnvelopeXml, HttpWebRequest webRequest)
        {
            using (Stream stream = webRequest.GetRequestStream())
            {
                soapEnvelopeXml.Save(stream);
            }
        }

 

ASP.NET: Send SMS using asp.net MVC using Plivo

Standard

Sending SMS from ASP.NET MVC application using Plivo service is pretty easy.

Benefits

Receive Free Incoming SMS

Receive free inbound SMS messages on all Plivo SMS phone numbers in all of our coverage areas.

Personalized Sender ID

Brand your SMS messages by customizing your sender ID using alphanumeric letters characters.

SMS Short Codes

Send thousands of A2P SMS messages (e.g., two-factor authentication, systems alerts) instantly at a default base rate of 40 SMS per second.

Two-way SMS

Send and receive SMS on Plivo phone numbers in 19 countries with Short Codes available in US and Canada.

Installation:

  • Install Plivo from Nuget package manager or console:
    Install-Package Plivo

    2016-09-06-12_23_58-mvcsmssample-sln-manage-nuget-packages

    Get Free Trial Account:

    • Fill form at Sign up for free
    • You will receive AUTH_ID, AUTH_TOKEN and Sender Approved Number 

Code:

using Plivo.API;
using RestSharp;

public String TestPlivo(SmsModel obj)
{
     obj.Sender = "Approved_Sender_Number";
     RestAPI plivo = new RestAPI("AUTH_ID", "AUTH_TOKEN");
 
     IRestResponse<MessageResponse> resp = plivo.send_message(new Dictionary<string, string>()
     {
         { "src", obj.Sender }, // Sender's phone number with country code
         { "dst", obj.Reciever }, // Receiver's phone number wiht country code
         { "text", obj.Message }, // Your SMS text message
         { "url", "http://example.com/report/"}, // The URL to which with the status of the message is sent
         { "method", "POST"} // Method to invoke the url
      });
 
      return !string.IsNullOrEmpty(resp.Content) 
             ? resp.Content + resp.Data.message_uuid[0] + resp.Data.api_id 
             : "Failed";
}