Linq

Ready to take advantage of LINQ with C# 3.0? This guide has the detail you need to grasp Microsoft's new querying technology, and concise explanations to help you learn it quickly. And once you begin to apply LINQ, the book serves as an on-the-job reference when you need immediate reminders. All the examples in the LINQ Pocket Reference are preloaded into LINQPad, the highly praised utility that lets you work with LINQ interactively. Created by the authors and free to download, LINQPad will not only help you learn LINQ, it will have you thinking in LINQ.

Joseph Albahari
Joseph Albahari is a core C# design architect at Egton Medical Information Systems, the largest primary healthcare software supplier in the UK. He has been developing large-scale enterprise applications on .NET and other platforms for more than 15 years, working in medical, telecommunication and education industries. Joseph specializes in writing custom components and controls, and has designed application component frameworks for three companies.
Ben Albahari
Ben Albahari is currently involved in the bioinformatics business. He was a Program Manager at Microsoft for 5 years, where he worked on several projects, including the .NET Compact Framework and ADO.NET.

He was the cofounder of Genamics, a provider of tools for C# and J++ programmers, as well as software for DNA and protein sequence analysis. He is a co-author of C# Essentials, the first C# book from O'Reilly, and of previous editions of C# in a Nutshell.

Getting Started	p. 1
Lambda Queries	p. 4
Chaining Query Operators	p. 4
Composing Lambda Expressions	p. 6
Natural Ordering	p. 9
Other Operators	p. 9
Comprehension Queries	p. 10
Iteration Variables	p. 12
Query Syntax Versus SQL Syntax	p. 13
Query Syntax Versus Lambda Syntax	p. 13
Mixed Syntax Queries	p. 14
Deferred Execution	p. 15
Reevaluation	p. 16
Outer Variables	p. 17
How Deferred Execution Works	p. 17
Chaining Decorators	p. 19
How Queries Are Executed	p. 20
Subqueries	p. 22
Subqueries and Deferred Execution	p. 25
Composition Strategies	p. 25
Progressive Query Building	p. 25
The into Keyword	p. 27
Wrapping Queries	p. 28
Projection Strategies	p. 30
Object Initializers	p. 30
Anonymous Types	p. 30
The let Keyword	p. 32
Interpreted Queries	p. 33
How Interpreted Queries Work	p. 35
AsEnumerable	p. 38
LINQ to SQL	p. 40
LINQ to SQL Entity Classes	p. 40
DataContext	p. 42
Automatic Entity Generation	p. 45
Associations	p. 45
Deferred Execution with LINQ to SQL	p. 47
DataLoadOptions	p. 48
Updates	p. 50
Building Query Expressions	p. 52
Delegates Versus Expression Trees	p. 53
Expression Trees	p. 55
Query Operator Overview	p. 59
Filtering	p. 62
Where	p. 63
Take and Skip	p. 65
TakeWhile and SkipWhile	p. 65
Distinct	p. 66
Projecting	p. 66
Select	p. 67
SelectMany	p. 72
Joining	p. 82
Join and GroupJoin	p. 83
Ordering	p. 92
OrderBy, OrderByDescending, ThenBy, ThenByDescending	p. 92
Grouping	p. 95
GroupBy	p. 96
Set Operators	p. 100
Concat and Union	p. 100
Intersect and Except	p. 100
Conversion Methods	p. 101
OfType and Cast	p. 101
ToArray, ToList, ToDictionary, ToLookup	p. 103
AsEnumerable and AsQueryable	p. 104
Element Operators	p. 104
First, Last, Single	p. 105
ElementAt	p. 106
DefaultlfEmpty	p. 107
Aggregation Methods	p. 107
Count and LongCount	p. 107
Min and Max	p. 108
Sum and Average	p. 109
Aggregate	p. 110
Quantifiers	p. 111
Contains and Any	p. 111
All and SequenceEqual	p. 112
Generation Methods	p. 112
Empty	p. 112
Range and Repeat	p. 113
LINQ to XML	p. 113
Architectural Overview	p. 114
X-DOM Overview	p. 115
Loading and Parsing	p. 117
Saving and Serializing	p. 118
Instantiating an X-DOM	p. 118
Functional Construction	p. 119
Specifying Content	p. 120
Automatic Deep Cloning	p. 121
Navigating/Querying an X-DOM	p. 122
Child Node Navigation	p. 122
Parent Navigation	p. 126
Peer Node Navigation	p. 127
Attribute Navigation	p. 128
Updating an X-DOM	p. 128
Simple Value Updates	p. 128
Updating Child Nodes and Attributes	p. 129
Updating Through the Parent	p. 130
Working with Values	p. 133
Setting Values	p. 133
Getting Values	p. 133
Values and Mixed Content Nodes	p. 135
Automatic XText Concatenation	p. 136
Documents and Declarations	p. 136
XDocument	p. 136
XML Declarations	p. 139
Names and Namespaces	p. 140
Specifying Namespaces in the X-DOM	p. 142
The X-DOM and Default Namespaces	p. 143
Prefixes	p. 145
Projecting into an X-DOM	p. 147
Eliminating Empty Elements	p. 149
Streaming a Projection	p. 150
Transforming an X-DOM	p. 151
Index	p. 153
Table of Contents provided by Ingram. All Rights Reserved.

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Summary

Author Biography

Table of Contents

Supplemental Materials

Joseph Albahari

Ben Albahari