C# 3.0 Cookbook, 3rd Edition

More than 250 solutions for C# 3.0 programmers

Larger Cover

More than 250 solutions for C# 3.0 programmers

By Jay Hilyard, Stephen Teilhet

Publisher: O'Reilly Media

Released: December 2007

Pages: 896

Completely updated for C# 3.0 and the .NET 3.5 platform, the new edition of this bestseller offers more than 250 code recipes to common and not-so-common problems that C# programmers face every day. Every recipe in the book has been reconsidered with more than a third of them rewritten to take advantage of new C# 3.0 features. If you prefer solutions you can use today to general C# language instruction, and quick answers to theory, this is your book.

C# 3.0 Cookbook offers a new chapter on LINQ (language integrated query), plus two expanded chapters for recipes for extension methods, lambda functions, object initializers, new synchronization primitives and more. The new edition is also complemented by a public wiki, which not only includes all of the C# 2.0 recipes from the previous edition unchanged by the release of C# 3.0, but invites you to suggest better ways to solve those tasks.

Here are some of topics covered:

LINQ
Numeric data types and Enumerations
Strings and characters
Classes and structures
Generics
Collections
Exception handling
Delegates, events, and lambda expressions
Filesystem interactions
Web site access
XML usage (including LINQ to XML, XPath and XSLT)
Networking
Threading
Data Structures & Algorithms

Each recipe in the book includes tested code that you can download from oreilly.com and reuse in your own applications, and each one includes a detailed discussion of how and why the underling technology works. You don't have to be an experienced C# or .NET developer to use C# 3.0 Cookbook. You just have to be someone who wants to solve a problem now, without having to learn all the related theory first.

Chapter 1 Language Integrated Query (LINQ)
1. Introduction
2. Query a Message Queue
3. Using Set Semantics with Data
4. Reuse Parameterized Queries with LINQ to SQL
5. Sort Results in a Culture-Sensitive Manner
6. Adding Functional Extensions for Use with LINQ
7. Query and Join Across Data Repositories
8. Querying Configuration Files with LINQ
9. Creating XML Straight from a Database
10. Being Selective About Your Query Results
11. Using LINQ with Collections That Don't Support IEnumerable<T>
Chapter 2 Strings and Characters
1. Introduction
2. Determining the Kind of Character a Char Contains
3. Controlling Case Sensitivity When Comparing Two Characters
4. Finding the Location of All Occurrences of a String Within Another String
5. Controlling Case Sensitivity When Comparing Two Strings
6. Comparing a String to the Beginning or End of a Second String
7. Inserting Text into a String
8. Removing or Replacing Characters Within a String
9. Encoding Binary Data As Base64
10. Decoding a Base64-Encoded Binary
11. Converting a String Returned As a Byte[] Back into a String
12. Passing a String to a Method That Accepts Only a Byte[]
13. Converting Strings to Other Types
14. Creating a Delimited String
15. Extracting Items from a Delimited String
16. Iterating over Each Character in a String
17. Pruning Characters from the Head and/or Tail of a String
18. Testing a String for Null or Empty
19. Appending a Line
Chapter 3 Classes and Structures
1. Introduction
2. Creating Union-Type Structures
3. Making a Type Sortable
4. Making a Type Searchable
5. Indirectly Overloading the +=, -=, /=, and *= Operators
6. Indirectly Overloading the &&, ||, and ?: Operators
7. Making Error-Free Expressions
8. Reducing Your Boolean Logic
9. Converting Between Simple Types in a Programming Language-Agnostic Manner
10. Determining When to Use the cast Operator, the as Operator, or the is Operator
11. Casting with the as Operator
12. Determining a Variable's Type with the is Operator
13. Returning Multiple Items from a Method
14. Parsing Command-Line Parameters
15. Initializing a Constant Field at Runtime
16. Building Cloneable Classes
17. Assuring an Object's Disposal
18. Disposing of Unmanaged Resources
19. Determining Where Boxing and Unboxing Occur
Chapter 4 Generics
1. Introduction
2. Deciding When and Where to Use Generics
3. Understanding Generic Types
4. Replacing the ArrayList with Its Generic Counterpart
5. Replacing the Stack and Queue with Their Generic Counterparts
6. Using a Linked List
7. Creating a Value Type That Can Be Initialized to Null
8. Reversing the Contents of a Sorted List
9. Making Read-Only Collections the Generic Way
10. Replacing the Hashtable with Its Generic Counterpart
11. Using foreach with Generic Dictionary Types
12. Constraining Type Arguments
13. Initializing Generic Variables to Their Default Values
Chapter 5 Collections
1. Introduction
2. Swapping Two Elements in an Array
3. Reversing an Array Quickly
4. Writing a More Flexible StackTrace Class
5. Determining the Number of Times an Item Appears in a List<T>
6. Retrieving All Instances of a Specific Item in a List<T>
7. Inserting and Removing Items from an Array
8. Keeping Your List<T> Sorted
9. Sorting a Dictionary's Keys and/or Values
10. Creating a Dictionary with Max and Min Value Boundaries
11. Storing Snapshots of Lists in an Array
12. Persisting a Collection Between Application Sessions
13. Testing Every Element in an Array or List<T>
14. Performing an Action on Each Element in an Array or List<T>
15. Creating a Read-Only Array or List<T>
Chapter 6 Iterators, Partial Types, and Partial Methods
1. Introduction
2. Creating an lterator on a Generic Type
3. Creating an Iterator on a Nongeneric Type
4. Creating Custom Enumerators
5. Implementing Iterator Logic
6. Forcing an Iterator to Stop Iterating
7. Dealing with Finally Blocks and Iterators
8. Implementing Nested foreach Functionality in a Class
9. Organizing Your Interface Implementations
10. Generating Code That Is No Longer in Your Main Code Paths
11. Adding Hooks to Generated Entities
Chapter 7 Exception Handling
1. Introduction
2. Knowing When to Catch and Rethrow Exceptions
3. Assuring Exceptions Are Not Lost When Using Finally Blocks
4. Handling Exceptions Thrown from Methods Invoked via Reflection
5. Preventing Unhandled Exceptions
6. Getting Exception Information
7. Getting to the Root of a Problem Quickly
8. Creating a New Exception Type
9. Obtaining a Stack Trace
10. Breaking on a First-Chance Exception
11. Handling Exceptions Thrown from an Asynchronous Delegate
12. Giving Exceptions the Extra Info They Need with Exception.Data
13. Dealing with Unhandled Exceptions in WinForms Applications
14. Dealing with Unhandled Exceptions in Windows Presentation Foundation (WPF) Applications
15. Analyzing Exceptions for Common Errors
Chapter 8 Diagnostics
1. Introduction
2. Providing Fine-Grained Control over Debugging/ Tracing Output
3. Determining Whether a Process Has Stopped Responding
4. Using Event Logs in Your Application
5. Searching Event Log Entries
6. Watching the Event Log for a Specific Entry
7. Implementing a Simple Performance Counter
8. Enabling and Disabling Complex Tracing Code
9. Capturing Standard Output for a Process
10. Creating Custom Debugging Displays for Your Classes
Chapter 9 Delegates, Events, and Lambda Expressions
1. Introduction
2. Controlling When and If a Delegate Fires Within a Multicast Delegate
3. Obtaining Return Values from Each Delegate in a Multicast Delegate
4. Handling Exceptions Individually for Each Delegate in a Multicast Delegate
5. Converting Delegate Invocation from Synchronous to Asynchronous
6. An Advanced Interface Search Mechanism
7. Observing Additions and Modifications to Dictionaries
8. Using Lambda Expressions
9. Set Up Event Handlers Without the Mess
10. Using Different Parameter Modifiers in Lambda Expressions
11. Using Closures in C#
12. Performing Multiple Operations on a List Using Functors
Chapter 10 Regular Expressions
1. Introduction
2. Enumerating Matches
3. Extracting Groups from a MatchCollection
4. Verifying the Syntax of a Regular Expression
5. Quickly Finding Only the Last Match in a String
6. Augmenting the Basic String Replacement Function
7. Implementing a Better Tokenizer
8. Counting Lines of Text
9. Returning the Entire Line in Which a Match Is Found
10. Finding a Particular Occurrence of a Match
11. Using Common Patterns
Chapter 11 Data Structures and Algorithms
1. Introduction
2. Creating a Hash Code for a Data Type
3. Creating a Priority Queue
4. Creating a One-to-Many Map (MultiMap)
5. Creating a Binary Search Tree
6. Creating an n-ary Tree
7. Using a HashSet Object
Chapter 12 Filesystem I/O
1. Introduction
2. Manipulating File Attributes
3. Renaming a File
4. Outputting a Platform-Independent EOL Character
5. Manipulating Directory Attributes
6. Renaming a Directory
7. Searching for Directories or Files Using Wildcards
8. Obtaining the Directory Tree
9. Parsing a Path
10. Parsing Paths in Environment Variables
11. Launching and Interacting with Console Utilities
12. Locking Subsections of a File
13. Waiting for an Action to Occur in the Filesystem
14. Comparing Version Information of Two Executable Modules
15. Querying Information for All Drives on a System
16. Compressing and Decompressing Your Files
Chapter 13 Reflection
1. Introduction
2. Listing Referenced Assemblies
3. Listing Exported Types
4. Finding Overridden Methods
5. Finding Members in an Assembly
6. Determining and Obtaining Nested Types Within an Assembly
7. Displaying the Inheritance Hierarchy for a Type
8. Finding the Subclasses of a Type
9. Finding All Serializable Types Within an Assembly
10. Dynamically Invoking Members
11. Determining If a Type or Method Is Generic
12. Accessing Local Variable Information
13. Creating a Generic Type
Chapter 14 Web
1. Introduction
2. Converting an IP Address to a Hostname
3. Converting a Hostname to an IP Address
4. Parsing a URI
5. Handling Web Server Errors
6. Communicating with a Web Server
7. Going Through a Proxy
8. Obtaining the HTML from a URL
9. Using the Web Browser Control
10. Tying Database Tables to the Cache
11. Prebuilding an ASP.NET Web SiteProgrammatically
12. Escaping and Unescaping Data for the Web
13. Using the UriBuilder Class
14. Inspect and Change Your Web Application Configuration
15. Using Cached Results When Working with HTTP for Faster Performance
16. Checking Out a Web Server's Custom Error Pages
Chapter 15 xml
1. Introduction
2. Reading and Accessing XML Data in Document Order
3. Reading XML on the Web
4. Querying the Contents of an XML Document
5. Validating XML
6. Creating an XML Document Programmatically
7. Detecting Changes to an XML Document
8. Handling Invalid Characters in an XML String
9. Transforming XML
10. Tearing Apart an XML Document
11. Putting Together an XML Document
12. Validating Modified XML Documents Without Reloading
13. Extending Transformations
14. Getting Your Schemas in Bulk from Existing XML Files
15. Passing Parameters to Transformations
Chapter 16 Networking
1. Introduction
2. Writing a TCP Server
3. Writing a TCP Client
4. Simulating Form Execution
5. Transferring Data via HTTP
6. Using Named Pipes to Communicate
7. Pinging Programmatically
8. Send SMTP Mail Using the SMTP Service
9. Use Sockets to Scan the Ports on a Machine
10. Use the Current Internet Connection Settings
11. Transferring Files Using FTP
Chapter 17 Security
1. Introduction
2. Controlling Access to Types in a Local Assembly
3. Encrypting/Decrypting a String
4. Encrypting and Decrypting a File
5. Cleaning Up Cryptography Information
6. Verifying That a String Remains Uncorrupted Following Transmission
7. Storing Data Securely
8. Making a Security Assert Safe
9. Verifying That an Assembly Has Been Granted Specific Permissions
10. Minimizing the Attack Surface of an Assembly
11. Obtaining Security/Audit Information
12. Granting/Revoking Access to a File or Registry Key
13. Protecting String Data with Secure Strings
14. Securing Stream Data
15. Encrypting web.config Information
16. Obtaining the Full Reason a SecurityException Was Thrown
17. Achieving Secure Unicode Encoding
18. Obtaining a Safer File Handle
Chapter 18 Threading and Synchronization
1. Introduction
2. Creating Per-Thread Static Fields
3. Providing Thread-Safe Access to Class Members
4. Preventing Silent Thread Termination
5. Being Notified of the Completion of an Asynchronous Delegate
6. Storing Thread-Specific Data Privately
7. Granting Multiple Access to Resources with a Semaphore
8. Synchronizing Multiple Processes with the Mutex
9. Using Events to Make Threads Cooperate
10. Get the Naming Rights for Your Events
11. Performing Atomic Operations Among Threads
12. Optimizing Read-Mostly Access
Chapter 19 Toolbox
1. Introduction
2. Dealing with Operating System Shutdown, Power Management, or User Session Changes
3. Controlling a Service
4. List What Processes an Assembly Is Loaded In
5. Using Message Queues on a Local Workstation
6. Finding the Path to the Current Framework Version
7. Determining the Versions of an Assembly That Are Registered in the Global Assembly Cache (GAC)
8. Capturing Output from the Standard Output Stream
9. Running Code in Its Own AppDomain
10. Determining the Operating System and Service Pack Version of the Current Operating System
Chapter 20 Numbers and Enumerations
1. Introduction
2. Converting Between Degrees and Radians
3. Using the Bitwise Complement Operator with Various Data Types
4. Converting a Number in Another Base to Base10
5. Determining Whether a String Is a Valid Number
6. Rounding a Floating-Point Value
7. Choosing a Rounding Algorithm
8. Converting Between Temperature Scales
9. Safely Performing a Narrowing Numeric Cast
10. Displaying an Enumeration Value as a String
11. Converting Plain Text to an Equivalent Enumeration Value
12. Testing for a Valid Enumeration Value
13. Testing for a Valid Enumeration of Flags
14. Using Enumerated Members in a Bit Mask
15. Determining Whether One or More Enumeration Flags Are Set
16. Determining the Integral Part of a Decimal or Double

Title:

C# 3.0 Cookbook, 3rd Edition

By:

Jay Hilyard, Stephen Teilhet

Publisher:

O'Reilly Media

Formats:

Print
Ebook
Safari Books Online

Print:

December 2007

Ebook:

December 2008

Pages:

896

Print ISBN:

978-0-596-51610-9

| ISBN 10:

0-596-51610-X

Ebook ISBN:

978-0-596-15860-6

| ISBN 10:

0-596-15860-2

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oreillyC# 3.0 Cookbook, 3rd Edition

4.3

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75%

of respondents would recommend this to a friend.

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Helpful examples (4)
Accurate (3)
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Cons

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5/21/2012

5.0

Full of Nuggets - Pure Gold

By dhurwitz

from Boston area

About Me Developer

Pros

Accurate
Concise
Helpful examples
Well-written

Cons

Best Uses

Expert
Intermediate

Comments about oreilly C# 3.0 Cookbook, 3rd Edition:

Few books are as helpful to my day-to-day programming as this one.

5/11/2012

5.0

Amazing book

By Mario M

from Mexico

About Me Developer

Pros

Accurate
Concise
Easy to understand
Helpful examples
Well-written

Cons

Best Uses

Expert
Intermediate

Comments about oreilly C# 3.0 Cookbook, 3rd Edition:

This book shows you how resolve common problems and the best way to do it... You must understand the theory because the book is about the hows not the why's?.The only problem is this is a 3.0 version we need the new one!!!

1/4/2010

(1 of 1 customers found this review helpful)

2.0

Handy book, sample code is much better..

By Peter Moss, P. Eng.

from Toronto, Canada

About Me Designer, Developer

Pros

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Cons

No PDF format Why not
Not comprehensive enough
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Best Uses

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Comments about oreilly C# 3.0 Cookbook, 3rd Edition:

It is an ok book. I bought it from a local
bookstore and I'm going to return it.

Nothing special here. List of common problems
and the corresponding code samples.

Download code samples and this book is obsolete.

12/12/2009

(2 of 2 customers found this review helpful)

5.0

A fine book for professionals

By SAM Kuppusamy

from Overland Park, KS

About Me Developer

Pros

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Concise
Easy to understand
Helpful examples
Well-written

Cons

Best Uses

Expert
Intermediate

Comments about oreilly C# 3.0 Cookbook, 3rd Edition:

This is a very nice book either if you are an intermediate or exprt level programmer. Many advanced concepts of .net programming are delat in an explanatory manner like class and structures, collection, diagnostics, excption handling, regular expressions, security and threading are explained in a very good manner. I would say this book is single source of advanced c# reference for any level of progmmer.

2/12/2009

(8 of 9 customers found this review helpful)

4.0

where's the example code

By Anonymous

from Undisclosed

Comments about oreilly C# 3.0 Cookbook, 3rd Edition:

I had a hunt for the code and found it here...

http://examples.oreilly.com/9780596516109/

3/5/2008

(1 of 2 customers found this review helpful)

5.0

where's the example code

By Daron Lawing

from Undisclosed

Comments about oreilly C# 3.0 Cookbook, 3rd Edition:

excdept for one thing. on page xviii it says "the sample code is available from the books catalog page at http://www.oreilly.com/catalog/9780596516109/"

well please go to that link and someone tell me where one would find the sample code? there is nothing on earth i hate more than someone providing a general link promising available information and it's just not there or it's buried under some golbergian course of discovery within the site.

Well... can you provide a link to the sameple code please????

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Chapter 1 Language Integrated Query (LINQ)

Introduction

Query a Message Queue

Using Set Semantics with Data

Reuse Parameterized Queries with LINQ to SQL

Sort Results in a Culture-Sensitive Manner

Adding Functional Extensions for Use with LINQ

Query and Join Across Data Repositories

Querying Configuration Files with LINQ

Creating XML Straight from a Database

Being Selective About Your Query Results

Using LINQ with Collections That Don't Support IEnumerable<T>

Chapter 2 Strings and Characters

Introduction

Determining the Kind of Character a Char Contains

Controlling Case Sensitivity When Comparing Two Characters

Finding the Location of All Occurrences of a String Within Another String

Controlling Case Sensitivity When Comparing Two Strings

Comparing a String to the Beginning or End of a Second String

Inserting Text into a String

Removing or Replacing Characters Within a String

Encoding Binary Data As Base64

Decoding a Base64-Encoded Binary

Converting a String Returned As a Byte[] Back into a String

Passing a String to a Method That Accepts Only a Byte[]

Converting Strings to Other Types

Creating a Delimited String

Extracting Items from a Delimited String

Iterating over Each Character in a String

Pruning Characters from the Head and/or Tail of a String

Testing a String for Null or Empty

Appending a Line

Chapter 3 Classes and Structures

Introduction

Creating Union-Type Structures

Making a Type Sortable

Making a Type Searchable

Indirectly Overloading the +=, -=, /=, and *= Operators

Indirectly Overloading the &&, ||, and ?: Operators

Making Error-Free Expressions

Reducing Your Boolean Logic

Converting Between Simple Types in a Programming Language-Agnostic Manner

Determining When to Use the cast Operator, the as Operator, or the is Operator

Casting with the as Operator

Determining a Variable's Type with the is Operator

Returning Multiple Items from a Method

Parsing Command-Line Parameters

Initializing a Constant Field at Runtime

Building Cloneable Classes

Assuring an Object's Disposal

Disposing of Unmanaged Resources

Determining Where Boxing and Unboxing Occur

Chapter 4 Generics

Introduction

Deciding When and Where to Use Generics

Understanding Generic Types

Replacing the ArrayList with Its Generic Counterpart

Replacing the Stack and Queue with Their Generic Counterparts

Using a Linked List

Creating a Value Type That Can Be Initialized to Null

Reversing the Contents of a Sorted List

Making Read-Only Collections the Generic Way

Replacing the Hashtable with Its Generic Counterpart

Using foreach with Generic Dictionary Types

Constraining Type Arguments

Initializing Generic Variables to Their Default Values

Chapter 5 Collections

Introduction

Swapping Two Elements in an Array

Reversing an Array Quickly

Writing a More Flexible StackTrace Class

Determining the Number of Times an Item Appears in a List<T>

Retrieving All Instances of a Specific Item in a List<T>

Inserting and Removing Items from an Array

Keeping Your List<T> Sorted

Sorting a Dictionary's Keys and/or Values

Creating a Dictionary with Max and Min Value Boundaries

Storing Snapshots of Lists in an Array

Persisting a Collection Between Application Sessions

Testing Every Element in an Array or List<T>