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Courseware

Intermediate C# course manual

Here are the chapters included in this course manual (we use exactly the same manuals for our classroom and online Visual C# courses).

Click here to download a sample of the first two chapters of this Intermediate C# manual, or review how to license our courseware.

Chapter 1 - USEFUL SHORT-CUT KEYS▼

Section	Title	Subsections	Page
1.1	The Best Short-Cut Keys in Visual Studio	Going to the definition of a variable or member Going forward and backward using the keyboard Auto-formatting text Adding a Using statement	5

Chapter 2 - DESIGNING CLASSES▼

Section	Title	Subsections	Page
2.1	Cats as Objects	Types, Classes and Objects Instantiation and Termination Properties Methods Encapsulation and Exposure Inheritance	8
2.2	Our Example – Dating Agency Customers	Our Customer Class Envisaging how you will Consume a Class	10

Chapter 3 - CREATING CLASSES▼

Section	Title	Subsections	Page
3.1	Creating a Class		13
3.2	Namespaces	Example of a Namespace The Using Statement Removing Unused Using Statements Giving Aliases to Namespaces Our DatingAgency Namespace	14
3.3	Creating a Constructor	Syntax of a Constructor Example of a Constructor	15
3.4	Fields and Properties	Creating Fields Properties Refactoring (encapsulating) fields The Quickest and Best Way to Create Properties Properties which Perform Other Logic	17
3.5	Methods	Void Methods Methods which Return Values Choosing between a Property and a Method	21
3.6	Static Properties and Methods	Example of a Static Property Example of a Static Method	23

Chapter 4 - FORMS AND CLASSES▼

Section	Title	Subsections	Page
4.1	Anatomy of a Form	Partial Classes The Form’s Constructor Drawing a Form	26
4.2	Instantiating Forms	Setting the Start-Up Form Showing a Form during an Application	28

Chapter 5 - OVERLOADING▼

Section	Title	Subsections	Page
5.1	Overloading		30
5.2	Creating Overloaded Methods	Consuming the method Creating our FIND method	30
5.3	Overloading Constructors		32

Chapter 6 - INHERITANCE▼

Section	Title	Subsections	Page
6.1	The Concept		34
6.2	Existing Classes in .NET		34
6.3	Inheriting from Existing Classes	The code for this example	35
6.4	Creating your own Hierarchy	Our example – arranging dates between customers How to inherit classes – syntax Calling the base constructor Creating protected members and fields	37
6.5	Overriding Properties	The problem: duplicate member name Two possible solutions: NEW versus OVERRIDE Using NEW to solve our problem Using OVERRIDE and VIRTUAL to solve our problem	40
6.6	Overriding Methods	Calling the BASE method	42
6.7	Sealed Classes and Members	Sealing classes Sealing methods and properties	43
6.8	Abstract Classes and Members		44

Chapter 7 - VALUE AND REFERENCE▼

Section	Title	Subsections	Page
7.1	Types of Memory (Stack and Heap)		46
7.2	Types of Variables	Direct Variables Indirect Variables	46
7.3	Boxing and Unboxing	System.Object Boxing Unboxing	47
7.4	Passing by Value and Reference	Arguments are passed by value by default Passing arguments by reference using REF or OUT	49

Chapter 8 - ENUMERATIONS▼

Section	Title	Subsections	Page
8.1	Creating and Using Enumerations		51
8.2	Customising Enumerations	Enumeration Aliases Changing Enumeration Integer Values Changing the Enumeration Data Type	51
8.3	Looping over Enumerations		52

Chapter 9 - STRUCTURES▼

Section	Title	Subsections	Page
9.1	Overview of Structures		54
9.2	Differences between Structures and Classes	Structures are Value Types Other Differences	54
9.3	Familiar Structures!		56

Chapter 10 - ARRAYS▼

Section	Title	Subsections	Page
10.1	Arrays	Creating single-dimensional arrays Populating arrays and retrieving items Looping over arrays Multi-dimensional arrays	58

Chapter 11 - LISTS▼

Section	Title	Subsections	Page
11.1	Overview of Lists	An Example of a List	60
11.2	Working with Lists	Creating a List Adding Items to a List Counting the Items in a List Displaying All of the Items in a List (FOR EACH) Removing Items from a List Finding items in a list Lambda Expression Syntax for Find Methods	60
11.3	Getting a Subset of a List	Method 1: Using FindAll Getting a Subset of a List – Method 2: Using GetRange	64
11.4	Joining and Splitting String Lists		64

Chapter 12 - STACKS AND QUEUES▼

Section	Title	Subsections	Page
12.1	Queues		66
12.2	Stacks		66

Chapter 13 - DICTIONARIES▼

Section	Title	Subsections	Page
13.1	Key/Value Pairs		68
13.2	Our Example – the Customer Class		69
13.3	Working with Dictionaries	Creating a Dictionary Adding to a dictionary Removing from a Dictionary Accessing Dictionary Values Determining if a key exists	70
13.4	Looping over dictionary items	Looping by Key Value Pair Looping by Key Only Looping by Value Only	72
13.5	The SortedDictionary Type		72

Chapter 14 - DATA TABLES▼

Section	Title	Subsections	Page
14.1	Overview of Data Tables	Referencing System.Data How data tables work	74
14.2	Working with Data Tables	Creating a Data Table Adding rows Looping over rows to retrieve data	75

Chapter 15 - GETTING STARTED WITH LINQ▼

Section	Title	Subsections	Page
15.1	What is LINQ?	Referencing the LINQ Namespace	77
15.2	Anatomy of a LINQ Query		77
15.3	Implicit and Explicit Variable Types	LINQ queries are compiled Implicit variable types The case for explicit variable types	79
15.4	Examples for Different Enumerable Sets		81

Chapter 16 - LINQ SYNTAX▼

Section	Title	Subsections	Page
16.1	Our Example		83
16.2	The SELECT keyword	Transformations	84
16.3	Projections using Anonymous Types	Creating anonymous types Using LINQ to project data onto anonymous types Using anonymous types to merge data	84
16.4	Taking and Skipping		87
16.5	Forcing Query Execution		88
16.6	Ordering a Sequence (ORDERBY)		89
16.7	Filtering (WHERE)	Calling methods in where clauses	90
16.8	Adding Expressions (LET)	Example: listing primes	92

Chapter 17 - TYPES OF DATA MODEL▼

Section	Title	Subsections	Page
17.1	Our Example	The 3 Types of Data Model	94
17.2	Code First Models	Creating the Table Classes Creating the Database Class Creating the Database Viewing the Database	95
17.3	The Model First Approach		97
17.4	Database First		98
17.5	Thoughts on which Approach to Use	Do you have a Database? How do you Change your Database? Do you like Wizards? Our Recommendation: Database First	99

Chapter 18 - DATABASE FIRST MODELS▼

Section	Title	Subsections	Page
18.1	Creating a Model	Step 1 - Creating the Database Step 2 – Adding a New Item Step 3 – Choosing the Model Type and Connection Step 4 – Choosing the EF Version Step 5 – Choosing the Entities for your Model Step 6 - Saving your Model	101
18.2	Updating Models		105

Chapter 19 - LINQ AND ENTITY FRAMEWORKS▼

Section	Title	Subsections	Page
19.1	Getting Data with LINQ	Creating a Data Context Selecting Data using LINQ Using Relationships	106
19.2	Changing Data	Inserting Rows Deleting Rows Editing Rows	108
19.3	Returning Anonymous Types		110
19.4	Working with Stored Procedures	Changing Stored Procedures	111
19.5	Partial Classes and Entity Frameworks	Creating a partial class Partial classes don’t work with LINQ	113
19.6	Joining Tables		115

Chapter 20 - GROUPING IN LINQ AND EF▼

Section	Title	Subsections	Page
20.1	Basic Grouping	How grouping works	116
20.2	Grouping into Ranges	Grouping films by their initial letter Grouping customers by their decade of birth	117
20.3	Grouping Into and Ordering		120

If you book a place on one of our courses you will automatically get access to the relevant courseware manual online, and also have the option to receive a paper copy of it.

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