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  • ASP.NET Core 2 Fundamentals
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ASP.NET Core 2 Fundamentals

ASP.NET Core 2 Fundamentals

By : Gumus, T. S. Ragupathi
2 (1)
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ASP.NET Core 2 Fundamentals

ASP.NET Core 2 Fundamentals

2 (1)
By: Gumus, 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.
Table of Contents (10 chapters)
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Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Setting the Stage
Setting the Stage
Introduction to Web Applications
Introduction to ASP.NET
Summary
2
Controllers
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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
9
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Role of the Controller in ASP.NET MVC Applications

A controller does the job of receiving the request and producing the output based on the input data in ASP.NET MVC. You can imagine controllers as the entrance point to your business flow that organizes the application flow.

Note

If you are intending to write a complex application, it is best to avoid business logic in your controllers. Instead, your controllers should call your business logic. In this way, you can keep the core part of your business technology-agnostic.

At the high level, the controller orchestrates between the model and the view, and sends the output back to the user. This is also the place where authentication is usually done through action filters. Action filters are basically interceptors and will be discussed in detail in the Filters section of this chapter. The following diagram illustrates the high-level flow of a request (with the steps) in ASP.NET MVC and shows us how the controller fits into the big picture:

The following...

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