C# · A Beginner's Guide (Beginners Guides) by McGee, Pat -- Read -- Imperial Library of Trantor

Index

Title Page Copyright Page About the Author Dedication Contents Acknowledgments Introduction Part I Programming Basics

1 Introduction to C# Coding and Debugging

Brief History of C# Understanding Basic Code Terminology

Comments Syntax Indentation

Writing and Running a Program

Writing and Editing Your Code Program Compilation and Execution

Try This 1-1: Creating Your First C# Program Using the Integrated Development Environment

Creating a Console Application Project Compiling and Running a Program Stopping the Application Saving the Solution Exiting the Solution Opening the Solution Renaming a Code File Renaming Code Structures

Incorporating Debugging Techniques

Errors and Warnings Breakpoints Resuming Program Execution Tooltips Stepping into Methods Stepping over Methods The Call Stack Window The Locals Window

Try This 1-2: Inspecting Your Code

The Watch Window Try-Catch Blocks Logging Data

Chapter 1 Self Test

2 Variables, Constants, Arrays, and Enumerations

Data Types

Numeric Literals

Variables

Variable Types Variable Syntax Variable Names

Constants

Constant Syntax Constant Names

Try This 2-1: Practice with Variable and Constant Structures

Explicit Variable Conversion (Casting) Implicit Variable Conversion

Arrays

Array Syntax

Try This 2-2: Practice with Arrays

Array Length Sorting Arrays Multidimensional Arrays

Enumerations

Enumeration Syntax Enumeration Naming Enumeration Methods

Chapter 2 Self Test

3 Numeric Operators and Routines

Basic Calculations

Addition Subtraction Multiplication Division Remainder Exponentiation Square Root

Increment Operator

Pre-Increment Expressions Post-Increment Expressions

Try This 3-1: Operator Practice Decrement Operator

Pre-Decrement Expressions Post-Decrement Expressions

Randomization

The Default Random Constructor The Seeded Random Constructor

Try This 3-2: Reusing a Seed Value Chapter 3 Self Test

4 Methods and Scope

Method Syntax

Calling a Method Indentation

Try This 4-1: Method Implementation Practice Method Overloads Passing Arguments by Value and by Reference

Passing Arguments by Value Passing Arguments by Reference Passing Arguments Explicitly by Reference Passing Uninitialized Variables by Reference

Scope

Class Scope Method Scope Block Scope Variable Precedence

Try This 4-2: Examining Scope Chapter 4 Self Test

5 Conditional Structures and Loops

Control Structures

Indentation and Alignment Nesting

Comparison Operators

Equals and Not Equals Operators Less Than and Greater Than Operators AND and OR Operators

Conditional Structures

If-Else Statements

Try This 5-1: Comparison Operator and If-Else Statement Practice

Conditional (Ternary) Operators Switches

Loops

For Loops

Try This 5-2: Nested Loops

While Loops Do While Loops Foreach Loops Comparing Loop Types Break Statements Continue Statement

Chapter 5 Self Test

6 String Manipulation

Numeric Format Specifiers

Raw Text Rounding Rounding with a Thousands Separator Displaying Local Currency

Parsing Strings

Length IndexOf() LastIndexOf() Substring Split()

Try This 6-1: String Formatting and Parsing Exercise

Join() StartsWith() Contains()

Editing Strings

Trim() Concatenation Adjusting Letter Case Replace() Insert() Remove()

Escape Sequences

Verbatim String Literals

Regular Expressions

Introductory Expressions More Regular Expression Operators

Try This 6-2: Regular Expression Exercise Converting Strings to Other Formats

Convert TryParse()

Chapter 6 Self Test

7 Date and Time Handling

TimeSpan Syntax

TimeSpan Properties

TimeSpan Calculations

TimeSpan Addition TimeSpan Subtraction TimeSpan Comparison

Try This 7-1: TimeSpan Practice DateTime Syntax

System Time DateTime Properties

Formatting DateTime Output DateTime Calculations

Adding Units of Time

Try This 7-2: DateTime Practice

DateTime Subtraction DateTime Comparison

Chapter 7 Self Test

Part II Object-Oriented Programming

8 Encapsulation Through Object-Oriented Programming

Encapsulation

Accessibility

Classes

Objects Class Declarations Keyword This Constructors

Try This 8-1: Class Creation, Constructor, and Accessor Exercise

Properties Destructors

Static Structures

Declaring Static Structures

Try This 8-2: Examining Static Structures Structs Namespaces Partial Classes Chapter 8 Self Test

9 Inheritance

Inheritance Introduction

Declaring a Child Class Protected Members

Try This 9-1: Inheritance Exercise

Inherited Constructor Overloading

Virtual Inheritance

Declaring Virtual Methods Overriding Virtual Methods Declaring Virtual Properties Overriding Virtual Properties

Abstract Inheritance

Declaring Abstract Classes Declaring Abstract Methods Overriding Abstract Methods Declaring Abstract Properties Overriding Abstract Properties

Virtual and Abstract Comparison Try This 9-2: Abstraction Exercise Polymorphism Sealed Modifiers

Sealing Classes Sealing Members

Chapter 9 Self Test

10 Generic Types and Collections

Generic Types

Declaring Generic Templates Generic Constructors Declaring and Initializing Objects of a Generic Class or Struct Generic Methods Generic Properties Generic Variables

Try This 10-1: Practice with Generic Types List Collections

List Methods

Try This 10-2: Practice with List Collections ArrayList Collections

Determining Object Types ArrayList Methods

KeyValuePair Types Dictionary Collections

Dictionary Methods Iterating Through Dictionary Items

Hashtable Collections

Hashtable Methods Iterating Through Hashtable Items

Chapter 10 Self Test

Part III Advanced Structures

11 Delegates, Anonymous Functions, and Events

Delegates

Delegate Syntax

Try This 11-1: Practice with Delegates Anonymous Functions

Anonymous Functions with Delegates

Try This 11-2: Practice with Delegates and Anonymous Functions

Anonymous Functions with Func<T,TResult> Delegates

Events

Event Declaration Syntax Subscribing to an Event Raising an Event Unsubscribing from an Event

Chapter 11 Self Test

12 Interfaces

Interface Syntax Try This 12-1: Interface Exercise Try This 12-2: Generating Code from the Interface

Explicit Interface Implementation Implicit Interface Implementation

Interface Hierarchies Generic Interfaces Existing .NET Interfaces

IReadOnlyCollection IComparable

Chapter 12 Self Test

Part IV Data-Driven Development

13 Database Setup

Accessing Database Resources for This Book Creating a Database Connection String Browsing Database Content with Visual Studio Try This 13-1: Examining Table Data

Examining Database Column Detail

Try This 13-2: Examining Database Column Detail Chapter 13 Self Test

14 The Entity Framework

The Entity Data Model

Adding an Entity Data Model to Your Code Project

Querying Database Objects with the Entity Data Model

DbContext Entities DbSet Querying Entities

Try This 14-1: Querying Entities with the Entity Data Model Updating the Entity Data Model

Replacing the Entity Data Model

LINQ to Entities Introduction

Lazy Loading and Deferred Execution Immediate (Eager) Data Loading LINQPad

Try This 14-2: Observing Query Differences with LINQPad Chapter 14 Self Test

15 LINQ to Entities: Query Syntax

Read Queries

Referencing Properties of an Object Assigning Custom Property Names

Try This 15-1: Reading Data with Query Syntax

Lazy Loading vs. Immediate Data Loading Filtering Reading One Object Only Sorting Subselection

Try This 15-2: Inspecting Combined Queries

Merging Similar Queries with a Union Aggregate Summary Queries

Adding Objects Updating Objects Deleting Objects Chapter 15 Self Test

16 LINQ to Entities: Method-Based Syntax

Lambda Syntax Read Queries

Filtering

Try This 16-1: Basic Extension Methods

Filtering with a Collection of Values Retrieving Similar Matches Selecting Distinct Rows Sorting Subselection Merging Similar Queries with a Union Aggregate Summary Queries

Try This 16-2: Aggregate Queries with Simple Grouping Inserting, Updating, and Deleting Objects Chapter 16 Self Test

17 Join Queries with LINQ to Entities

Introductory Relational Database Theory

Primary Keys Composite Primary Key Foreign Keys Cardinality

Navigation Properties Try This 17-1: Testing Your Knowledge of Database Theory Equal Joins

Equal Joins with Query Syntax Equal Joins with Method-Based Syntax Equal Joins with Navigation Properties

Try This 17-2: Practice with Equal Joins

Equal Joins on Composite Keys

Outer Joins

Left Outer Joins Right Outer Joins Full Outer Joins

Joining More Than Two Collections in One Query Bridging Many-to-Many Relationships

Querying Bridge Table Objects Inserting Bridge Table Objects Deleting Bridge Table Objects

Chapter 17 Self Test

18 Traditional Database Development

SQL Stored Procedures .NET Classes for Managing Database Data

DataTable DataColumn DataRow

Try This 18-1: Constructing and Using Your Own DataTable Referencing Your Connection String in C# Memory-Based Database Management with the SqlDataAdapter Class

Initializing a SqlDataAdapter Object Retrieving Data with the SqlDataAdapter Class Timing Out

Try This 18-2: Executing SQL from Your C# Code

Managing Stored Procedures with the SqlDataAdapter Class

Streaming Data with the SqlDataReader Class

Managing the Database Connection

Chapter 18 Self Test

19 File Input Output

Writing and Reading Plain Text

StreamWriter StreamReader

Try This 19-1: Writing, Reading, and Extracting Text Data Writing and Reading Binary Data

FileMode BinaryWriter BinaryReader

Try This 19-2: Writing and Reading Binary Data Reading Buffered Binary Data Randomly Accessing Binary Data Chapter 19 Self Test

20 XML Handling

XML Introduction

XML Elements and Attributes Element Hierarchy Adding an XML Document to a Visual Studio Project Well-Formed XML

LINQ to XML Introduction

XElement XAttribute Querying Elements

Try This 20-1: Querying XML with LINQ

Additional Element Selection Methods and Properties

Try This 20-2: Querying XML with LINQ, Continued Creating XML Elements and Attributes

Creating Attributes Creating Elements Adding Elements to Existing Documents

Updating XML Elements and Attributes Deleting XML Elements XML Serialization and Deserialization

Serialization Deserialization

Chapter 20 Self Test

21 JSON Handling

JSON Introduction

Json.NET

Creating Dynamic JSON Objects

Dynamic Types Creating JSON Arrays

Try This 21-1: JSON Object and Array Creation Dynamic Parsing

Referencing Properties Referencing Arrays

Serialization Try This 21-2: Creating JSON Through Serialization

Customizing Property Names During Serialization

Deserialization

Mapping to Custom Property Names During Deserialization

Chapter 21 Self Test

Part V Stand-alone Topics

22 Attributes

.NET Framework Attributes Try This 22-1: Implementing Attributes Practice Creating and Implementing Custom Attributes

Inheriting from the Attribute Class Optional AttributeUsage Attributes Implementing Custom Attributes Querying Attributes

Try This 22-2: Implementing and Querying Custom Attributes Reflection Introduction Querying Attribute Targets Chapter 22 Self Test

23 Operator Overloading

Operator Overloading Introduction Operator Overload Method Requirements Operators that Can Be Overloaded Try This 23-1: Creating and Using a * Operator Overload Try This 23-2: Creating and Using a – Operator Overload Chapter 23 Self Test

A FoodStore Database Reference Index

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