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LINQ Unleashed 9780672329838

LINQ Unleashed

For C#

ISBN-10: 0672329832
ISBN-13: 9780672329838
AUTHOR:
PUBLISHER: Pearson Education
Also available at Amazon.com
Note: Not guaranteed to come with supplemental materials (access codes, CDs, DVDs)
Product Description: Foreword by Darryl Hogan, Architect Evangelist, Microsoft Corporation

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Microsoft''s highly anticipated LINQ query technology makes it easy to retrieve any information programmatically from any data source, no matter where it comes from or how it''s stored. Using LINQ, developers can query objects, relational databases, XML documents, and ADO.NET datasets--and do it all directly from C# 3.0, leveraging the powerful capabilities of LINQ.

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This is a definitive guide to getting real-world results with LINQ, using C# 3.0 and Visual Studio 2008. In LINQ Unleashed, Microsoft MVP Paul Kimmel covers every facet of LINQ programming, showing how LINQ can help you dramatically improve your productivity and build more reliable, maintainable applications.

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Kimmel begins by reviewing the state-of-the-art C# programming techniques LINQ uses, including anonymous types, partial methods, and Lambda expressions. Next, using realistic examples and easy-to-adapt sample code, he details the most powerful new LINQ techniques for accessing objects, databases, and XML. You''ll gain a deep and practical understanding of how LINQ works "under the hood"--and learn how to do everything from selecting data through integrating XML with other data models.

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  • Build efficient LINQ queries to .NET objects, SQL databases, and XML content
  • Utilize anonymous types to reduce design time, coding effort, and debugging time
  • Automatically generate .NET state machines with the new yield return construct
  • Master LINQ query syntax, operators, extension methods, sorting, grouping, aggregate and set operations, and more
  • Make the most of select--and use it in the business layer of your n-tier applications
  • Query relational data stored in Microsoft SQL Server
  • Use nullable types to eliminate unnecessary database access plumbing code
  • Use LINQ with ADO.NET 3.0 and Microsoft''s powerful new Entity Framework
  • Extract XML data without the hassles or complexity of XPath
  • Automatically construct XML from CSV files and other non-XML data
  • Query Active Directory by extending LINQ

Introductionnbsp; 1

Part Inbsp;nbsp;nbsp;nbsp; Getting Ready for LINQ

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 1nbsp;nbsp;nbsp;nbsp; Programming with Anonymous Types 5

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 2nbsp;nbsp;nbsp;nbsp; Using Compound Type Initialization nbsp;29

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 3nbsp;nbsp;nbsp;nbsp; Defining Extension and Partial Methodsnbsp; 61

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 4nbsp;nbsp;nbsp;nbsp; yield return: Using .NET''s State Machine Generatornbsp; 85

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 5nbsp;nbsp;nbsp;nbsp; Understanding Lambda Expressions and Closuresnbsp; 97

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 6nbsp;nbsp;nbsp;nbsp; Using Standard Query Operatorsnbsp; 121

Part IInbsp;nbsp;nbsp; LINQ for Objects

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 7nbsp;nbsp;nbsp;nbsp; Sorting and Grouping Queries 137

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 8nbsp;nbsp;nbsp;nbsp; Using Aggregate Operations 151

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 9nbsp;nbsp;nbsp;nbsp; Performing Set Operationsnbsp; 167

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 10nbsp;nbsp; Mastering Select and SelectManynbsp; 185

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 11nbsp;nbsp; Joining Query Results nbsp;211

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 12nbsp;nbsp; Querying Outlook and Active Directory nbsp;239

Part IIInbsp;nbsp; LINQ for Data

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 13nbsp;nbsp; Querying Relational Data with LINQ 265

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 14nbsp;nbsp; Creating Better Entities and Mapping Inheritance and Aggregation nbsp;289

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 15nbsp;nbsp; Joining Database Tables with LINQ Queries nbsp;309

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 16nbsp;nbsp; Updating Anonymous Relational Data nbsp;349

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 17nbsp;nbsp; Introducing ADO.NET 3.0 and the Entity Frameworknbsp; 383

Part IVnbsp; LINQ for XML

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 18nbsp;nbsp; Extracting Data from XML 415

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 19nbsp;nbsp; Comparing LINQ to XML with Other XML Technologiesnbsp; 437

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 20nbsp;nbsp; Constructing XML from Non-XML Datanbsp; 453

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 21nbsp;nbsp; Emitting XML with the XmlWriternbsp; 463

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 22nbsp;nbsp; Combining XML with Other Data Models nbsp;469

nbsp;nbsp;nbsp;nbsp;nbsp;nbsp; 23nbsp;nbsp; LINQ to XSD Supports Typed XML Programming nbsp;485

Index

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CATEGORY: Computers
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