- C# 7 and .NET Core: Modern Cross-Platform Development - Second Edition
- C# 7 and .NET Core: Modern Cross-Platform Development - Second Edition
- Credits
- About the Author
- About the Reviewer
- www.PacktPub.com
- Customer Feedback
- Preface
- 1. Hello, C#! Welcome, .NET Core!
- Choosing your development environment
- Installing Microsoft Visual Studio 2017 for Windows
- Installing Microsoft Visual Studio Code for Windows, macOS, or Linux
- Understanding .NET
- Writing and compiling code using the .NET Core CLI tool
- Writing and compiling code using Microsoft Visual Studio 2017
- Writing and compiling code using Microsoft Visual Studio Code
- Managing source code with GitHub
- Practicing and exploring
- Summary
- 2. Speaking C#
- Understanding C# basics
- Declaring variables
- Building console applications
- Operating on variables
- Practicing and exploring
- Summary
- 3. Controlling the Flow, Converting Types, and Handling Exceptions
- 4. Using .NET Standard Types
- Using assemblies and namespaces
- Storing and manipulating text
- Storing data with collections
- Internationalizing an application
- Practicing and exploring
- Summary
- 5. Debugging, Monitoring, and Testing
- 6. Building Your Own Types with Object-Oriented Programming
- Talking about OOP
- Building class libraries
- Storing data with fields
- Writing and calling methods
- Controlling how parameters are passed
- Splitting classes using partial
- Controlling access with properties and indexers
- Practicing and exploring
- Summary
- 7. Implementing Interfaces and Inheriting Classes
- Setting up a class library and console application
- Simplifying methods with operators
- Defining local functions
- Raising and handling events
- Implementing interfaces
- Managing memory with reference and value types
- Inheriting from classes
- Casting within inheritance hierarchies
- Inheriting and extending .NET types
- Practice and explore
- Summary
- 8. Working with Databases Using the Entity Framework Core
- 9. Querying and Manipulating Data with LINQ
- 10. Working with Files, Streams, and Serialization
- 11. Protecting Your Data
- 12. Improving Performance and Scalability with Multitasking
- 13. Building Universal Windows Platform Apps Using XAML
- 14. Building Web Applications Using ASP.NET Core MVC
- Understanding ASP.NET Core
- Exploring an ASP.NET Core MVC web application
- ASP.NET Core MVC controllers
- ASP.NET Core MVC models
- ASP.NET Core MVC views
- Taking ASP.NET Core MVC further
- Practicing and exploring
- Summary
- 15. Building Mobile Apps Using Xamarin.Forms and ASP.NET Core Web API
- Understanding Xamarin.Forms
- Building services using ASP.NET Core Web API and Visual Studio Code
- Building mobile apps using Xamarin.Forms and Visual Studio for Mac
- Creating a Xamarin.Forms project
- Creating a model
- Creating an interface for dialing phone numbers and implement for iOS and Android
- Creating views for the customers list and customer details
- Test the mobile app with iOS
- Adding NuGet packages for calling a REST service
- Getting customers from the service
- Practicing and exploring
- Summary
- 16. Packaging and Deploying Your Code Cross-Platform
- A. Answers to the Test Your Knowledge Questions
- Chapter 1 - Hello, C#! Welcome, .NET Core!
- Chapter 2 - Speaking C#
- Chapter 3 - Controlling the Flow, Converting Types, and Handling Exceptions
- Chapter 4 - Using .NET Standard Types
- Chapter 5 - Debugging, Monitoring, and Testing
- Chapter 6 - Building Your Own Types with Object-Oriented Programming
- Chapter 7 - Implementing Interfaces and Inheriting Classes
- Chapter 8 - Working with Databases Using Entity Framework Core
- Chapter 9 - Querying and Manipulating Data with LINQ
- Chapter 10 - Working with Files, Streams, and Serialization
- Chapter 11 - Protecting Your Data
- Chapter 12 - Improving Performance and Scalability with Multitasking
- Chapter 13 - Building Universal Windows Platform Apps Using XAML
- Chapter 14 - Building Web Applications Using ASP.NET Core MVC
- Chapter 15 - Building Mobile Apps Using Xamarin.Forms and ASP.NET Core Web API
- Chapter 16 - Packaging and Deploying Your Code Cross-Platform
Test your knowledge and understanding by answering some questions, get some hands-on practice, and explore with deeper research into topics of this chapter.
Use the Web to answer the following questions:
- What is the maximum number of characters that can be stored in a
string? - When and why should you use a
SecureString? - When is it appropriate to use a
StringBuilder? - When should you use a
LinkedList? - When should you use a
SortedDictionaryclass rather than aSortedListclass? - What is the ISO culture code for Welsh?
- What is the difference between localization, globalization, and internationalization?
- In a regular expression, what does $ mean?
- In a regular expression, how could you represent digits?
- Why should you not use the official standard for e-mail addresses to create a regular expression to validate a user's e-mail address?
Create a console application named Ch04_Exercise02 that prompts the user to enter a regular expression, and then prompts the user to enter some input and compare the two for a match until the user presses
Esc
:
The default regular expression checks for at least one digit. Enter a regular expression (or press ENTER to use the default): ^[a- z]+$ Enter some input: apples apples matches ^[a-z]+$? True Press ESC to end or any key to try again. Enter a regular expression (or press ENTER to use the default): ^[a- z]+$ Enter some input: abc123xyz abc123xyz matches ^[a-z]+$? False Press ESC to end or any key to try again.
Use the following links to read in more detail the topics covered in this chapter:
- .NET Core API Reference: https://docs.microsoft.com/en-us/dotnet/core/api/index
- String Class: https://docs.microsoft.com/en-us/dotnet/core/api/system.string
- Regex Class: https://docs.microsoft.com/en-us/dotnet/core/api/system.text.regularexpressions.regex
- Regular expressions in .NET: https://docs.microsoft.com/en-us/dotnet/articles/standard/base-types/regular-expressions
- Regular Expression Language - Quick Reference: https://docs.microsoft.com/en-us/dotnet/articles/standard/base-types/quick-ref
- RegExr: Learn, Build, & Test RegEx: http://regexr.com/
- Collections (C# and Visual Basic): https://docs.microsoft.com/en-us/dotnet/core/api/system.collections
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