640 pro LINQ

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640 pro LINQ

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... Readers of Pro LINQ: Language Integrated Query in C# 2008 may recall the endless delays in publishing that book A project that initially started as a 9-month project grew into a 17-month project... Welsh Project Manager: Richard Dal Porto Copy Editor: Heather Lang Associate Production Director: Kari Brooks-Copony Production Editor: Kelly Winquist Compositors: Dina Quan, Patrick Cunningham Proofreader:... PART NNN Pro LINQ: Language Integrated Query in VB.NET 2008 CHAPTER Hello LINQ CHAPTER VB.NET 2008 Language Enhancements for LINQ

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Mục lục

  • Contents at a Glance

  • Contents

  • Hello LINQ

    • A Paradigm Shift

      • Query XML

      • Query a SQL Server Database

      • Introduction to LINQ

        • LINQ Is About Data Queries

        • Components

        • How to Obtain LINQ

        • LINQ Is Not Just for Queries

        • Tips to Get You Started

          • Use Dim Without Specifying the Type When Confused

          • Use the Cast or OfType Operators for Legacy Collections

          • Prefer the OfType Operator to the Cast Operator

          • Don’t Assume a Query Is Bug Free

          • Take Advantage of Deferred Queries

          • Use the DataContext Log

          • Use the LINQ Forum

          • Summary

          • VB.NET 2008 Language Enhancements for LINQ

            • New VB.NET 2008 Language Additions

              • New (and Not So New) Options

              • Lambda Expressions

              • Expression Trees

              • Keyword Dim, Object Initialization, and Anonymous Types

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