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.

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Table of Contents (13 chapters)
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
Ebook Manager and Catalogue App - .NET Core for Desktop
Ebook Manager and Catalogue App - .NET Core for Desktop
Technical requirements
Creating a new WinForms application
Upgrading to .NET Core 3
Understanding nullable reference types
Exploring XAML Islands
Tree shaking and compiling to a single executable
Summary
2
Task Bug Logging ASP.NET Core MVC App Using Cosmos DB
Task Bug Logging ASP.NET Core MVC App Using Cosmos DB
Technical requirements
Benefits of using Cosmos DB
Setting up Azure Cosmos DB
Configuring the Cosmos DB instance
Connecting your ASP.NET Core MVC application to Cosmos DB
Reading and writing data to MongoDB
Cleaning up the resources
Summary
3
ASP.NET Azure SignalR Chat Application
ASP.NET Azure SignalR Chat Application
Technical requirements
Introducing SignalR
SignalR project
Building and running the project
The Azure service
Cleanup
Summary
4
Web Research Tool with Entity Framework Core
Web Research Tool with Entity Framework Core
Entity Framework (EF) Core history
Code-First versus Model-First versus Database-First approach
Developing a database design
Setting up the project
Installing the required packages
Testing the application
Deploying the application
Summary
5
Building a Twitter Automated Campaign Manager Using Azure Logic Apps and Functions
Building a Twitter Automated Campaign Manager Using Azure Logic Apps and Functions
Technical requirements
An overview of workflow engines, logic apps, and Functions
Creating an Excel table
Building logic apps in the Azure portal
Building logic apps in Visual Studio
Creating a resource group
Creating the workflow
Cleaning up the Azure resources
Summary
6
Stock Checker Using Identity Server and OAuth 2
Stock Checker Using Identity Server and OAuth 2
Technical requirements
Identity and permission
Project overview
Stock checker application API
Permissions
Client application
IdentityServer 4
IdentityServer
Authorization
Summary
Suggested improvements
Further reading
7
Building a Photo Storage App Using a Windows Service and Azure Storage
Building a Photo Storage App Using a Windows Service and Azure Storage
Technical requirements
Windows Services and Windows Compatibility Pack
Project overview
Configuring Azure Storage
Creating our Windows Service
Using the Azure Storage Client
Installing the Windows Service
Testing and debugging
Summary
8
A Load-Balanced Order Processing Microservice Using Docker and Azure Kubernetes Service
A Load-Balanced Order Processing Microservice Using Docker and Azure Kubernetes Service
Technical requirements
Microservices
Creating our microservice
Azure Kubernetes Service
Load balancing
Cleanup
Summary
9
Emotion Detector Mobile App - Using Xamarin Forms and Azure Cognitive Services
Emotion Detector Mobile App - Using Xamarin Forms and Azure Cognitive Services
Technical requirements
Concepts overview
Project overview
Configuring Azure Cognitive Services
Creating the Xamarin application
Testing and running on a physical device
Summary
10
Eliza for the 21st Century - UWP and the MS Bot Framework
Eliza for the 21st Century - UWP and the MS Bot Framework
Technical requirements
Creating a chatbot
Introducing LUIS
Integrating LUIS into the Bot Framework
Creating a UWP application
Summary
11
WebAssembly
WebAssembly
Why WebAssembly
Writing WebAssembly
Understanding Blazor
12
Other Books You May Enjoy
Other Books You May Enjoy
Leave a review - let other readers know what you think

Writing WebAssembly

To try writing some WebAssembly, we'll use the WebAssembly Studio tool: https://webassembly.studio/.

This is an online tool that allows you to write code in various languages and have them compiled into WASM. In the WebAssembly Studio web application, if you create a new C Hello World application, you can very quickly get to see some WASM code by building the project:

As you can see, WASM isn't exactly intuitive. However, you can write (or produce this) yourself and have the web browser run it.

This tool certainly gives an inkling of what may be possible with this technology; however, if you're not too familiar with C or Rust, you may struggle to use this beyond displaying 42 in the browser.

Fortunately, Microsoft is working on an experimental technology called Blazor that abstracts a lot of this work behind a familiar-looking project structure...

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