Book Image

ASP.NET Core 2 Fundamentals

By : Onur Gumus, Mugilan T. S. Ragupathi
Book Image

ASP.NET Core 2 Fundamentals

By: Onur Gumus, Mugilan T. S. Ragupathi

Overview of this book

The book sets the stage with an introduction to web applications and helps you build an understanding of the tried-and-true MVC architecture. You learn all about views, from what is the Razor view engine to tagging helpers. You gain insight into what models are, how to bind them, and how to migrate database using the correct model. As you get comfortable with the world of ASP.NET, you learn about validation and routing. You also learn the advanced concepts, such as designing Rest Buy (a RESTful shopping cart application), creating entities for it, and creating EF context and migrations. By the time you are done reading the book, you will be able to optimally use ASP.NET to develop, unit test, and deploy applications like a pro.

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Table of Contents (14 chapters)
Title Page
Title Page
Packt Upsell
Packt Upsell
Contributors
Contributors
Preface
Preface
Free Chapter
1
Setting the Stage
Setting the Stage
Introduction to Web Applications
Introduction to ASP.NET
Summary
2
Controllers
Controllers
Role of the Controller in ASP.NET MVC Applications
Introduction to Routing
Installing the ASP.NET Core NuGet Package in Your Application
Our First Controller
Adding Views
Adding Models
Passing Data from the Controller to the View
Filters
Summary
3
Views
Views
The View Engine and the Razor View Engine
Layout
Generating HTML
Partial View
View Components
Tag Helpers
Summary
4
Models
Models
Introduction to Models
Model Binding
Entity Framework
Using Entity Framework in ASP.NET MVC Applications
Database Migration
Summary
5
Validation
Validation
Introduction to Validation
Client-Side and Server-Side Validation
Server-Side Validation
Client-Side Validation
Implementation
Summary
6
Routing
Routing
Convention-Based Routing
Attribute-Based Routing
Route Attribute at the Controller Level
Route Constraints
Summary
7
Rest Buy
Rest Buy
Designing Rest Buy
Creating the Entities
Create EF Context and Migrations
Summary
8
Adding Features, Testing, and Deployment
Adding Features, Testing, and Deployment
Adding the Registration Feature
Creating a Unit Test
Upgrading Our Project to Bootstrap 4
Deploying RestBuy to Azure
Summary
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Index
Index

Chapter 4. Models

Data is at the heart of every application. A user enters data into the application, edits the entered data, and searches the data. We can even say that an application that we build is just an interface for the operations that we perform on the application data. So, it is absolutely necessary for any framework to provide a mechanism to make data operations easier and more manageable. Models in ASP.NET MVC are used to represent the business domain data.

By the end of this chapter, you will be able to:

  • Explain models and their purpose
  • Create a simple model and use it in the controller and views of the ASP.NET MVC application
  • Create a model specific to a ViewModel
  • Use data flow in an ASP.NET MVC application in the context of models and ViewModels
  • Explain the purpose of Entity Framework along with its features and benefits
  • Add, update, and delete data using Entity Framework
  • Use Entity Framework in ASP.NET MVC applications
Previous Section
End of Section 1
Next Section