You're reading from Learn C# Programming A guide to building a solid foundation in C# language for writing efficient programs

Product type Paperback

Published in Apr 2020

Publisher Packt

ISBN-13 9781789805864

Length 636 pages

Edition 1st Edition

Languages

Tools

.NET

Concepts

Programming Language

Authors (4):

Raffaele Rialdi

Ankit Sharma

Prakash Tripathi

Marius Bancila

View More author details

Table of Contents (20) Chapters

Preface

1. Chapter 1: Starting with the Building Blocks of C#

2. Chapter 2: Data Types and Operators FREE CHAPTER

3. Chapter 3: Control Statements and Exceptions

4. Chapter 4: Understanding the Various User-Defined Types

5. Chapter 5: Object-Oriented Programming in C#

6. Chapter 6: Generics

7. Chapter 7: Collections

8. Chapter 8: Advanced Topics

9. Chapter 9: Resource Management

10. Chapter 10: Lambdas, LINQ, and Functional Programming

11. Chapter 11: Reflection and Dynamic Programming

12. Chapter 12: Multithreading and Asynchronous Programming

13. Chapter 13: Files, Streams, and Serialization

14. Chapter 14: Error Handling

15. Chapter 15: New Features of C# 8

16. Chapter 16: C# in Action with .NET Core 3

17. Chapter 17: Unit Testing

18. Assessments

19. Other Books You May Enjoy

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LINQ

LINQ is a set of technologies that enable developers to query a multitude of data sources in a consistent manner. Typically, you would use different languages and technologies to query different types of data, such as SQL for relational databases, and XPath for XML. SQL queries are written as strings, which makes them impossible to verify at compile time and increase the chances of having runtime errors.

LINQ defines a set of operators and a built-in language syntax for querying data. LINQ queries are strongly typed and therefore verified at compile time. LINQ also provides a framework for building your own LINQ providers, which are components that transform a query into APIs that are specific to a particular data source. The framework provides built-in support for querying objects (anything that is a collection in .NET), relational databases, and XML. Third parties have written LINQ providers for many data sources, such as web services.

LINQ enables developers to focus...