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

You're reading from   C# 7.1 and .NET Core 2.0 ??? Modern Cross-Platform Development Create powerful applications with .NET Standard 2.0, ASP.NET Core 2.0, and Entity Framework Core 2.0, using Visual Studio 2017 or Visual Studio Code

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Product type Paperback
Published in Nov 2017
Publisher
ISBN-13 9781788398077
Length 800 pages
Edition 3rd Edition
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Author (1):
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Mark J. Price Mark J. Price
Author Profile Icon Mark J. Price
Mark J. Price
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Toc

Table of Contents (24) Chapters Close

Preface 1. Hello, C#! Welcome, .NET Core! FREE CHAPTER 2. Part 1, C# 7.1
3. Speaking C# 4. Controlling the Flow and Converting Types 5. Writing, Debugging, and Testing Functions 6. Building Your Own Types with Object-Oriented Programming 7. Implementing Interfaces and Inheriting Classes 8. Part 2 – .NET Core 2.0 and .NET Standard 2.0
9. Understanding and Packaging .NET Standard Types 10. Using Common .NET Standard Types 11. Working with Files, Streams, and Serialization 12. Protecting Your Data and Applications 13. Working with Databases Using Entity Framework Core 14. Querying and Manipulating Data Using LINQ 15. Improving Performance and Scalability Using Multitasking 16. Part 3 – App Models
17. Building Web Sites Using ASP.NET Core Razor Pages 18. Building Web Sites Using ASP.NET Core MVC 19. Building Web Services and Applications Using ASP.NET Core 20. Building Windows Apps Using XAML and Fluent Design 21. Building Mobile Apps Using XAML and Xamarin.Forms 22. Summary 23. Answers to the Test Your Knowledge Questions

Working with LINQ to XML

LINQ to XML is a LINQ provider that allows you to query and manipulate XML.

Generating XML using LINQ to XML

Open the console application project or folder named LinqWithEFCore.

In the Program.cs file, import the System.Xml.Linq namespace.

In the Main method, at the bottom, write the following statements:

var productsForXml = db.Products.ToArray(); 
 
var xml = new XElement("products", 
    from p in productsForXml 
    select new XElement("product", 
    new XAttribute("id", p.ProductID), 
    new XAttribute("price", p.UnitPrice), 
    new XElement("name", p.ProductName))); 
 
WriteLine(xml.ToString());

Run the console application and view the output...

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