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C# 7.1 and .NET Core 2.0 ??? Modern Cross-Platform Development

C# 7.1 and .NET Core 2.0 ??? Modern Cross-Platform Development - Third Edition

By : Mark J. Price
3.7 (37)
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C# 7.1 and .NET Core 2.0 ??? Modern Cross-Platform Development

C# 7.1 and .NET Core 2.0 ??? Modern Cross-Platform Development

3.7 (37)
By: Mark J. Price

Overview of this book

C# 7.1 and .NET Core 2.0 – Modern Cross-Platform Development, Third Edition, is a practical guide to creating powerful cross-platform applications with C# 7.1 and .NET Core 2.0. It gives readers of any experience level a solid foundation in C# and .NET. The first part of the book runs you through the basics of C#, as well as debugging functions and object-oriented programming, before taking a quick tour through the latest features of C# 7.1 such as default literals, tuples, inferred tuple names, pattern matching, out variables, and more. After quickly taking you through C# and how .NET works, this book dives into the .NET Standard 2.0 class libraries, covering topics such as packaging and deploying your own libraries, and using common libraries for working with collections, performance, monitoring, serialization, files, databases, and encryption. The final section of the book demonstrates the major types of application that you can build and deploy cross-device and cross-platform. In this section, you'll learn about websites, web applications, web services, Universal Windows Platform (UWP) apps, and mobile apps. By the end of the book, you'll be armed with all the knowledge you need to build modern, cross-platform applications using C# and .NET.
Table of Contents (23 chapters)
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22
Index

Using LINQ with EF Core

To learn about projection, it is best to have some more complex sequences to work with, so in the next project, we will use the Northwind sample database.

Building an EF Core model

Let's define an Entity Framework (EF) Core model to represent the database and tables that we will work with. We will define the entity classes manually to take complete control and to prevent a relationship from being automatically defined. Later, you will use LINQ to join the two entity sets.

  1. Create a new console application project named LinqWithEFCore, add it to the workspace for this chapter, and select the project as active for OmniSharp.
  2. Modify the LinqWithEFCore.csproj file, as shown highlighted in the following markup:
    <Project Sdk="Microsoft.NET.Sdk">
      <PropertyGroup>
        <OutputType>Exe</OutputType>
        <TargetFramework>net5.0</TargetFramework>
      </PropertyGroup>
      <ItemGroup...
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C# 7.1 and .NET Core 2.0 ??? Modern Cross-Platform Development
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