Book Image

Learning ASP.NET Core MVC Programming

By : Mugilan T. S. Ragupathi, Anuraj Parameswaran
Book Image

Learning ASP.NET Core MVC Programming

By: Mugilan T. S. Ragupathi, Anuraj Parameswaran

Overview of this book

ASP.NET Core MVC helps you build robust web applications using the Model-View-Controller design. This guide will help you in building applications which can be deployed on non-windows platforms such as Linux. In today’s age, it is crucial that you possess the ability to separate the programming and business logic, and this is exactly what ASP.NET Core MVC application will help you achieve. This version comes with a number of improvements that enable fast, TDD-friendly development to create sophisticated applications. You would also learn the fundamentals of Entity framework and on how to use the same in ASP.NET Core web applications. The book presents the fundamentals and philosophies of ASP.NET Core. Starting with an overview of the MVC pattern, we quickly dive into the aspects that you need to know to get started with ASP.NET. You will learn about the core architecture of model, view, and control. Integrating your application with Bootstrap, validating user input, interacting with databases, and deploying your application are some of the things that you will be able to execute with this fast-paced guide. The end of the book will test your knowledge as you build a fully working sample application using the skills you’ve learned throughout the book.

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Learning ASP.NET Core MVC Programming
Mugilan T. S. Ragupathi | Anuraj Parameswaran
Nov, 2016 | 326 pages
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Table of Contents (18 chapters)
Learning ASP.NET Core MVC Programming
Learning ASP.NET Core MVC Programming
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Introduction to ASP.NET Core
Introduction to ASP.NET Core
How web applications work
Client-side and server-side
HTTP methods
What is ASP.NET?
Features of ASP.NET MVC
ASP.NET 5
Summary
2
Setting Up the Environment
Setting Up the Environment
Purpose of IDE
Visual Studio offerings
Installing Visual Studio Community
Installing ASP.NET 5
Project structure in ASP.NET 5 application
Summary
3
Controllers
Controllers
Role of the Controller in ASP.NET MVC applications
Introduction to routing
Creating ASP.NET 5 application
Installing the ASP.NET Core NuGet package in your application
Our first Controller
Adding Views
Adding Models
Passing data from Controller to View
Filters
Summary
4
Views
Views
The View engine and the Razor View engine
Layout
Generating HTML
Partial View
View components
Tag Helpers
Summary
5
Models
Models
Models
Model binding
The Entity Framework
Using the Entity Framework in ASP.NET MVC applications
Database migration
Summary
6
Validation
Validation
Client-side and server-side validation
Server-side validation
Client-side validation
Implementation
Summary
7
Routing
Routing
Convention-based routing
Attribute-based routing
Route attribute at the controller level
Passing routing values in HTTP action verbs in the Controller
Route Constraints
Summary
8
Beautifying ASP.NET MVC Applications with Bootstrap
Beautifying ASP.NET MVC Applications with Bootstrap
Knowing HTML and CSS
Bootstrap
Using Bootstrap in your ASP.NET MVC application
Installing with Bower
HTML doctype
Summary
9
Deployment of ASP.NET Core Application
Deployment of ASP.NET Core Application
The project.json file
Microsoft Azure
Deploying the ASP.NET Core application in Azure
Deploying the ASP.NET Core web application in the Linux environment
Creating a new ASP.NET 5 project
Configuring the Nginx server
Summary
10
Building HTTP-based Web Services Using ASP.NET Web API
Building HTTP-based Web Services Using ASP.NET Web API
HTTP basics
Dependency Injection
Summary
11
Improving Performance of an ASP.NET Core Application
Improving Performance of an ASP.NET Core Application
The UI layer
Reducing the number of HTTP requests
Minification of JavaScript and CSS files and their combination
The caching process
The web/application layer
Generic performance improvement tips
Summary
12
ASP.NET Core Identity
ASP.NET Core Identity
Authentication
Authorization
Adding the relevant dependencies to the project.json file
Configuring the application to use Identity
Creating ViewModels
Creating Controllers and associated action methods
Creating Views
E-mail and SMS services
Securing an action method in a Controller
Summary

Server-side validation

Let us continue with the application that we built in the previous chapter. To do server-side validation, we need to do the following:

  1. Add Data Annotation attributes to the ViewModels model class. The input data is validated against this metadata and the model state is updated automatically.

  2. Update the view method to display the validation message for each of the fields. The span tag helper with the asp-validation-for attribute will be used to display the validation error message.

  3. Update the controller action method to verify the model state. If the model state is valid, we insert the data into the database. Otherwise, the View model is updated and the view method is rendered again with the validation error message so that the user can update with valid input data and submit the form again.

Updating View models with the Data Annotation attribute

The Data Annotation attributes defines the validation rules for the properties of the Model/ViewModel. If the input data does...

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