Intermediate C# Programming 2 day training course from $885.00 USD

Reflection and Custom Attributes

• What is reflection?
• The Type type
• Getting the Type of a class or object
• Using reflection to find out if a class is abstract or sealed
• Viewing a type’s properties and methods
• Other uses of reflection
• Custom attributes
• Uses of custom attributes
• Creating custom attributes
• Adding custom attributes to a class
• Viewing the custom attributes of a class
• Adding attribute properties
• Using an attribute with properties
• Adding attribute constructors
• Viewing more details about the attributes

Indexers

• What are Indexers?
• Declaring an Indexer
• Using indexers
• Overloaded Indexers

Generics

• What is generics?
• Uses for generics
• Flexibility using generics
• Substitution parameter naming convention
• Type safety with generics
• Using generics with a class

Lists

• Lists
• Creating a List
• foreach loop with a List
• Other supported methods and properties

Abstract behaviour in classes

• Preventing instantiation from a class
• Creating an abstract class
• Members of an abstract class
• Concrete and abstract methods

Interfaces

• What is an interface?
• Interface rules
• Inheriting from an interface
• Creating an interface
• Properties of an interface
• Methods in an interface
• Basing a class on an interface
• Basing an interface on an interface
• Multiple inheritance
• Interfaces as variable or parameter data types
• The IComparable and IComparable interfaces

Lambda Expressions

• Lambda Expressions
• Replacing a method with a lambda expression

Object Initializers

• C# Object Initializers
• C# Object Initializer syntax
• C# Object Initializer without constructor
• C# Object Initializer with constructor

Partial classes

• Partial classes

Implicitly typed local variables with var

• Implicitly typed local variables
• var examples

Extension methods

• Extending a class without access to its code
• Using static behaviour
• Creating an extension method

Delegates

• What is a Delegate?
• Creating a Delegate
• Referencing a Method
• Using a delegate
• Multicasting
• Creating a Multicasting Delegate
• Scope
• Removing Method References
• Removing Method References - Multicasting

LINQ

• LINQ (Language INtegrated Query)
• LINQ queries
• How LINQ works
• The query variable
• LINQ query syntax
• The from clause
• The select clause
• Returning a customised data type
• The where clause
• The orderby clause
• The group clause
• The Single method
• Aggregate functions
• Aggregate functions where no arguments are required
• Aggregate functions where the object cannot be directly aggregated

LINQ extension methods

• Extension Methods in System.Linq
• Passing lambda expressions
• Where and OrderBy
• Combining methods

XML

• XML and .NET
• The System.Xml namespace
• Using XmlReader to read XML
• Using XmlWriter to create XML
• Using the DOM
• Using XmlDocument
• Using XmlDocument to create a new document
• Using XmlDocument to create a document from a file
• The GetElementsByTagName method
• The SelectNodes method
• Modifying an XML document
• LINQ and XML
• Creating XML with Linq
• Using LINQ to query XML
• Querying a sub-element
• Serialising objects into XML
• Default XML layout
• Customising the default XML layout
• Modifying XML output without access to the class code
• Changing the name of the root element
• Deserialising XML to an object
• Class name different from the name of the root element

Connected data access with ADO.NET

• What is ADO.NET?
• ADO.NET namespaces
• High level data access process
• Creating a connection object
• Storing connection strings in config files
• Command objects
• CommandType and CommandText
• Command object methods
• Disposing of resources
• The using statement
• ExecuteNonQuery
• ExecuteScalar
• ExecuteReader
• Data readers
• Using a Data Reader
• Cleaning up after data readers
• Command parameters
• Adding parameters to commands
• A command with parameters

ADO.NET disconnected data access

• The DataTable Object
• The DataColumn object
• The DataRow object
• Manually creating and filling a datatable
• The Rows collection
• The Columns collection
• The DataSet object
• Data adapters
• Data adapter properties
• Working with data locally
• Filling a DataTable with a data adapter

Error handling

• Review of basic exception handling (try .. catch.. finally)
• The Exception Class
• Catching the Exception instance
• The Exception Message
• More error handling
• Basic Exception Handling
• try .. catch
• finally
• The Exception Class
• Catching the Exception instance
• The Exception Message
• Derived Exception Classes
• FormatException
• OverflowException
• IndexOutOfRangeException
• DivideByZeroException
• Catching Multiple Exceptions
• Exception Nesting
• Throwing an Exception
• Passing a message to the Exception class
• Custom Exceptions
• Defining Custom Exceptions
• Throwing custom Exceptions
• Custom Exception with constructor
• Throwing a custom exception whose constructor takes arguments