In this guide, learn how to create an ASP.NET Core application using Kendo UI for Angular 2 from scratch.
Using cutting edge technology means overcoming that initial learning curve. Many times, we would like to just jump in and get started without starting from scratch. But as we all know the best meals are the ones that are well prepared, and rushing into things too quickly ends up making someone sick or leaving an entire meal in the trash.
In this article, we'll find a happy medium—we'll look at how to get started with Angular 2 using ASP.NET Core by following a simple recipe with clearly defined ingredients. We'll start by walking through all of the ingredients necessary to make a successful project. Next we'll follow the recipe, learning where each ingredient fits. Finally, the application will be fully baked and ready to serve with all of its cutting edge goodness.
The Ingredients
Prepping the ingredients is the most important part of any recipe. Let's look at what we'll need to be successful and why each item is important to our project.
ASP.NET Core
ASP.NET Core 1.0 is a next generation architecture for building scale-able .NET web applications that run on any platform. Web API was consolidated with MVC in ASP.NET Core making it a great platform to host endpoints for our application's data.
ASP.NET Core will act as the server component for the application. The responsibility of ASP.NET Core is to power core business logic, interact with a database and provide application services like: email, authentication, and sms to name a few.
Node Package Manager (npm)
Many of the ingredients for this application will come from the JavaScript community. The dependencies needed for front-end development are all easily managed through npm either from the Command Line Interface (CLI) or from within Visual Studio.
Angular 2, TypeScript & Webpack
ASP.NET Core is capable of generating HTML for the client-side of the application on its own, but with the addition of Angular 2 we can do so much more. Angular 2 allows us to build rich interactive client-side applications using a component based architecture.
Using Angular 2 requires some additional tooling since it relies heavily on TypeScript. To support Angular 2, we'll be using Webpack to compile TypeScript, as well as to bundle and minify static resources.
Yeoman
Typically one would expect to use Visual Studio's File > New project template to begin a new project. However, because of the cross platform nature of ASP.NET Core development we'll be using Yeoman, a command line tool used to generate file and project templates. Since Visual Studio isn't available on Mac and Linux, Yeoman is a great choice for kicking off ASP.NET Core development because it can be used anywhere.
Kendo UI for Angular 2
Like any great chef would tell you, presentation matters. We'll use Kendo UI for Angular 2 to finish out the look of the application. With 15 beautiful UI controls controls (and more on the way!), Kendo UI for Angular delivers high performance Angular 2 UI components without any jQuery dependencies.
Prep Work
Let's begin by putting all of our ingredients in place. Some quick prep work can make sure that we stay clear of any hangups. This is critical, the last thing you want to do is waste hours of precious time troubleshooting problems that have already been addressed by using newer versions.
Before beginning your next project, make sure the following tools are installed and you're running the latest bits. You can find everything you'll need below:
The Recipe
We'll start by installing the Microsoft ASP.NET Core JavaScript Services. JavaScript Services is a set of technologies for ASP.NET Core developers built by the ASP.NET team. It provides infrastructure that you'll find useful if you use Angular 2/React/Knockout/etc. on the client, if you build your client-side resources using Webpack, or if you otherwise want to execute JavaScript on the server at runtime. We'll be using a JavaScript Services project template installed by Yeoman. The template will take care of the Angular 2, TypeScript and Webpack dependencies for us.
From the command line install the JavaScript Services generator:
npm install -g yo generator-aspnetcore-spa
![yo aspnetcore-spa]( "yo-aspnetcore-spa")
Next, run the generator using the yo aspnetcore-spa command and choose Angular 2 from the list of templates.
The generator will create a fully functioning starting point for your new application. Once the generator has run and restored all the dependencies, you can start up your new ASP.NET Core Single Page from Visual Studio, or from the command line by calling dotnet run.
![Generated application running in the browser]( "generated-app2")
The Template
The JavaScript services template is pre-configured with Angular 2, TypeScript and Webpack. The application back-end is powered by ASP.NET Core, with Angular 2 taking almost all responsibilities for the client-side. You'll notice very little in the way of Views or .cshtml.
The client-side application source files are found in the ClientApp directory. Each folder under ClientApp contains the parts to a single component, a template (.html), component logic written in TypeScript (.ts), and optionally component styles (.css). These files will be compiled by Webpack prior to run-time. Webpack configuration files are included in the template. These configuration files define compilation, bundling and deployment to wwwroot.
![App structure generated by Yeoman]( "generated-app")
In ClientApp a few sample components demonstrate how to use Angular 2. The counter is a component that shows how to wire up a button that increments a counter. Also included is a fetch-data component, this component shows how to consume data from an API end-point.
![Application component ClientApp/app/fetchdata]( "generated-app3")
Time to Bake
With the project scaffolding ready let's modify some components. Working with components will get us familiar with the app's structure and workflow of the tooling. We'll add robust UI components using Kendo UI for Angular 2 to the existing app components.
First, we'll add the Kendo UI dependencies to the project. Kendo UI for Angular 2 is packaged and distributed as a set of discrete, scoped npm packages, which are available at the Progress npm registry (https://registry.npm.telerik.com/). To access it, you'll need an active Telerik account. If you do not have one yet, create one—it’s free. The packages are scoped to @progress.
To enable the Progress NPM registry on your machine, you should associate the @progress scope with the registry URL. Run the following command in your terminal:
npm login --registry=https://registry.npm.telerik.com/ --scope=@progress
NPM will ask you for your Telerik account credentials and an email. Enter the username (if username is email address use everything before the @) and password you use to log in your Telerik account.
Username: Rick.Sanchez
Password:
Email: Rick.Sanchez@PlanetMusic.com
Logged in as Rick.Sanchez to scope @progress on https://registry.npm.telerik.com/.
Now that the registry has been added we can add Kendo UI components to the project. We'll add the Kendo UI Button and Grid components from the command line using npm.
npm install -S @progress/kendo-angular-buttons npm install -S @progress/kendo-angular-grid
Next we'll import the component directives into our source code. Open ClientApp/App/app.module.ts and add the following declarations:
...;
import { ButtonsModule } from '@progress/kendo-angular-buttons';
import { GridModule } from '@progress/kendo-angular-grid';
imports: [
UniversalModule,
ButtonsModule,
GridModule, ...,
Kendo UI just wouldn't be complete without a some nice styling. Let's add the default Kendo UI theme to our project via npm.
npm install -S @telerik/kendo-theme-default
The npm package deploys to our node_modules folder, however we'll need the CSS file referenced in our project. To do this we'll add a reference in webpack.vendor.config.js to the CSS that our app requires. Webpack is pre-configured to bundle CSS files into a single vendor.css file which is output to the wwwroot folder for deployment.
entry: { vendor: [ ..., '@telerik/kendo-theme-default/dist/all.css',
Once the reference is added, we'll need to run Webpack to rebuild vendor.css.
webpack --config webpack.config.vendor.js
vendor.css 431 kB 0 [emitted] vendor
Now that Kendo UI for Angular 2 is installed, let's replace a few components that are part of the samples. One of benefits of Kendo UI is that a single theme controls the style of all Kendo UI components, even simple controls like the button. Let's modify the sample to use a Kendo UI button.
In ClientApp/app/components/counter/counter.component.html you'll find a button that increments a counter. Replace the standard button with a Kendo UI Button.
<button kendoButton (click)="incrementCounter()" [primary]="true">Increment KUI</button>
![Kendo UI Button rendered]( "kendo-ui-button-for-angular-2")
Next, we'll modify the fetch-data sample by utilizing the Kendo UI grid. Since Kendo UI has robust data binding capabilities this will be an easy task. In ClientApp/app/components/fetchdata/fetchdata.component.html a table has been explicitly defined using Angular 2 templates.
<table class='table' *ngIf="forecasts">
<thead>
<tr>
<th>Date</th>
<th>Temp. (C)</th>
<th>Temp. (F)</th>
<th>Summary</th>
</tr>
</thead>
<tbody>
<tr *ngFor="let forecast of forecasts">
<td>{{ forecast.dateFormatted }}</td>
<td>{{ forecast.temperatureC }}</td>
<td>{{ forecast.temperatureF }}</td>
<td>{{ forecast.summary }}</td>
</tr>
</tbody>
</table>
We can replace the entire template with a single kendo-grid component. At the absolute minimum we can bind the data property and the grid will generate the columns and headings.
<kendo-grid [data]="forecasts"></kendo-grid>
To further enhance the UI we can customize each column.
<kendo-grid [data]="forecasts">
<kendo-grid-column field="dateFormatted" title="Date"></kendo-grid-column>
<kendo-grid-column field="temperatureC" title="Temp. (C)" width="150"></kendo-grid-column>
<kendo-grid-column field="temperatureF" title="Temp. (F)" width="150">
</kendo-grid-column> <kendo-grid-column field="summary" title="Summary"></kendo-grid-column>
</kendo-grid>
Time To Serve
The ASP.NET Core JavaScript Services Yeoman generator, combined with Kendo UI for Angular, provide a solid platform for dishing out modern web applications. Using the JavaScript Services generator makes short work of starting a new Angular 2 project. It comes with everything needed for client and server side development and excellent samples to get you started. The growing library of Kendo UI components with world class features like data binding, internationalization and themes make a full course meal ready to serve.
The completed starter project can be viewed on GitHub. Please remember this app requires the scoped Progress NPM registry to restore dependencies.
See it in Action
The video below demonstrates the complete process outlined in the article. You'll learn how to create an ASP.NET Core application using Kendo UI for Angular 2 from scratch utilizing the CLI and Visual Studio.
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