Book Image

C# 8 and .NET Core 3 Projects Using Azure - Second Edition

By : Paul Michaels, Dirk Strauss, Jas Rademeyer
Book Image

C# 8 and .NET Core 3 Projects Using Azure - Second Edition

By: Paul Michaels, Dirk Strauss, Jas Rademeyer

Overview of this book

.NET Core is a general-purpose, modular, cross-platform, and opensource implementation of .NET. The latest release of .NET Core 3 comes with improved performance and security features, along with support for desktop applications. .NET Core 3 is not only useful for new developers looking to start learning the framework, but also for legacy developers interested in migrating their apps. Updated with the latest features and enhancements, this updated second edition is a step-by-step, project-based guide. The book starts with a brief introduction to the key features of C# 8 and .NET Core 3. You'll learn to work with relational data using Entity Framework Core 3, before understanding how to use ASP.NET Core. As you progress, you’ll discover how you can use .NET Core to create cross-platform applications. Later, the book will show you how to upgrade your old WinForms apps to .NET Core 3. The concluding chapters will then help you use SignalR effectively to add real-time functionality to your applications, before demonstrating how to implement MongoDB in your apps. Finally, you'll delve into serverless computing and how to build microservices using Docker and Kubernetes. By the end of this book, you'll be proficient in developing applications using .NET Core 3.
Table of Contents (13 chapters)

Entity Framework (EF) Core history

One of the most frustrating parts of developing an application that needs to read data from and write data to some sort of database is trying to get the communication layer between your code and the database established.

At least, it used to be, until Entity Framework came into the picture!

Entity Framework is an object-relational mapper (ORM). It maps your .NET Code objects to relational database entities. As simple as that. Now, you don't have to concern yourself with scaffolding the required data access code just to handle plain CRUD operations.

When the first version of Entity Framework was released with .NET 3.5 SP1 in August 2008, the initial response wasn't that great—so much so that a group of developers signed a vote of no confidence with regard to the framework. Thankfully, most of the concerns that were raised were...