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

By : Paul Michaels, Dirk Strauss, Jas Rademeyer

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C# 8 and .NET Core 3 Projects Using Azure

By: Paul Michaels, Dirk Strauss, Jas Rademeyer

Buy this Book

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.

Preface

Who this book is for

What this book covers

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Free Chapter

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

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

ASP.NET Azure SignalR Chat Application

Technical requirements

Introducing SignalR

SignalR project

Building and running the project

The Azure service

Cleanup

Summary

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

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

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

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

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

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

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

WebAssembly

Why WebAssembly

Writing WebAssembly

Understanding Blazor

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Summary

In this chapter, we created a chatbot and gave it a basic understanding of language using LUIS. We took the default template and upgraded it from .NET Core 2.2 to .NET Core 3.0, and created a UWP client app that uses the Direct Line API to communicate with the bot.

Is our version of Eliza (Boris) more likely to pass the Turing test than the original? Maybe. If you wish to improve the model in LUIS then you may give it more of a fighting chance, but the real-world applications of chatbots and language recognition stretch far beyond the ability to fool someone into thinking they are talking to a human. You could easily link this to a voice synthesizer and telephony integration software (such as Twilio), and you will have an automated call center.

The Universal Windows Platform, at least for now, is what Microsoft is touting as the desktop platform of choice. Whether that...

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