Book Image

Learning ASP.NET Core 2.0

By : Jason De Oliveira, Michel Bruchet
Book Image

Learning ASP.NET Core 2.0

By: Jason De Oliveira, Michel Bruchet

Overview of this book

The ability to develop web applications that are highly efficient but also easy to maintain has become imperative to many businesses. ASP.NET Core 2.0 is an open source framework from Microsoft, which makes it easy to build cross-platform web applications that are modern and dynamic. This book will take you through all of the essential concepts in ASP.NET Core 2.0, so you can learn how to build powerful web applications. The book starts with a brief introduction to the ASP.NET Core framework and the improvements made in the latest release, ASP.NET Core 2.0. You will then build, test, and debug your first web application very quickly. Once you understand the basic structure of ASP.NET Core 2.0 web applications, you'll dive deeper into more complex concepts and scenarios. Moving on, we'll explain how to take advantage of widely used frameworks such as Model View Controller and Entity Framework Core 2 and you'll learn how to secure your applications. Finally, we'll show you how to deploy and monitor your applications using Azure, AWS, and Docker. After reading the book, you'll be able to develop efficient and robust web applications in ASP.NET Core 2.0 that have high levels of customer satisfaction and adoption.
Table of Contents (19 chapters)
Title Page
Credits
Foreword
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Getting started with Entity Framework Core 2


The Meta package Microsoft.AspNetCore.All contains Entity Framework Core 2, including all required packages for working with Microsoft SQL Server and SQLite.

Note

Note that if you need to work with other databases such as MySQL, you have to download additional packages from NuGet. You can find a list of all currently available Entity Framework Core 2 NuGet packages here: https://www.nuget.org/packages?page=2&q=Tags%3A%22entity-framework-core%22.

Establishing a connection

To open a session to the database and query and update instances of your entities, you use a DbContext, which is based on a combination of the unit of work and repository patterns.

Let's see how to prepare the Tic-Tac-Toe application to use Entity Framework Core 2 to connect to an SQL Database by using a DbContext and a connection string:

  1. Go to the Solution Explorer, add a new folder called Data, add a new class called GameDbContext.cs, and implement a DbSet property for each Model...