Programming in C#

• Introduction
• Compiled Languages
• Getting a Handle on Computer Languages, C#, and .NET
• Installing the .NET 6 SDK
• Installing the "C# for Visual Studio Code" Plugin from OmniSharp
• Installing MySQL Server
• Installing Tools: dotnet-ef
• Creating Your First Console Application
• Making Your Console App Do Something
• Reviewing Your Console Application
• Replacing All that Ceremonial Code: Top-Level Statements
• Introducing the Toolbox Trick
• Interacting with C# Online
• Working with Jupyter Notebook: The Short Version
• Versioning the Versions
• Installing Visual Studio
• Breaking Down the Projects

2 LiveLab in this lesson — see the labs panel →

• Declaring a Variable
• What’s an int?
• Representing Fractions
• Handling Floating-Point Variables
• Using the Decimal Type: Is It an Integer or a Float?
• Examining the bool Type: Is It Logical?
• Checking Out Character Types
• What’s a Value Type?
• Comparing string and char
• Calculating Leap Years: DateTime
• Declaring Numeric Constants
• Changing Types: The Cast
• Letting the C# Compiler Infer Data Types
• Getting Input from Users in Console Applications

2 LiveLab in this lesson — see the labs panel →

• Performing Arithmetic
• Performing Logical Comparisons — Is That Logical?
• Matching Expression Types at TrackDownAMate.com
• Branching Out with if and switch
• Here We Go Loop-the-Loop
• Looping a Specified Number of Times with for
• Random Values
• The C# Array
• Using Lists
• Using an Exceptional Error-Reporting Mechanism
• Can I Get an Exceptional Example?
• Working with Custom Exceptions
• Planning Your Exception-Handling Strategy
• Grabbing Your Last Chance to Catch an Exception
• Throwing Expressions
• Passing an Object to a Method
• Comparing Static and Instance Methods
• Accessing the Current Object
• Using Local Functions

9 LiveLab in this lesson — see the labs panel →

• A Quick Overview of Object-Oriented Programming
• Defining a Class and an Object
• Accessing the Members of an Object
• Working with Object-Based Code
• Defining Class Properties
• Why You Need Inheritance
• Inheriting from a BankAccount Class (a More Complex Example)
• IS_A versus HAS_A — I’m So Confused_A
• Polymorphism
• C# During Its Abstract Period
• Static Classes
• Extension Methods
• Sealing a Class
• Introducing CAN_BE_USED_AS
• Knowing What an Interface Is
• Using an Interface
• Using the C# Predefined Interface Types
• Defining and Using a Method
• Having Arguments with Methods

3 LiveLab in this lesson — see the labs panel →

• Understanding the ASP.NET Core Templates
• Routing
• Rendering Views
• ViewBag
• Redirecting
• IActionResult
• Forms
• Developing a Basic Web App
• Avoiding Nicks from Razor
• Creating Variables
• Keeping Things Logical
• Implementing Loops
• Validations with Controllers
• Custom Validations
• Session

2 LiveLab in this lesson — see the labs panel →