Essential LINQ (Paperback)

“Charlie and Dinesh bring important skills to this project that enable them to show how LINQ works and the practical ways you can use it in your daily development process.”

From the Foreword by Anders Hejlsberg

LINQ is one of Microsoft’s most exciting, powerful new development technologies. Essential LINQ is the first LINQ book written by leading members of Microsoft’s LINQ and C# teams. Writing for architects, developers, and development managers, these Microsoft insiders share their intimate understanding of LINQ, revealing new patterns and best practices for getting the most out of it.

Calvert and Kulkarni begin by clearly explaining how LINQ resolves the long-time “impedance mismatch” between object-oriented code and relational databases. Next, they show how LINQ integrates querying into C# as a “first-class citizen.” Using realistic code examples, they show how LINQ provides a strongly typed, IntelliSense-aware technology for working with data from any source, including SQL databases, XML files, and generic data structures.

Calvert and Kulkarni carefully explain LINQ’s transformative, composable, and declarative capabilities. By fully illuminating these three concepts, the authors allow developers to discover LINQ’s full power. In addition to covering core concepts and hands-on LINQ development in C# with LINQ to Objects, LINQ to XML, LINQ to SQL, and LINQ to Entities, they also present advanced topics and new LINQ implementations developed by the LINQ community. This book

•           Explains the entire lifecycle of a LINQ project: design, development, debugging, and much more

•           Teaches LINQ from both a practical and theoretical perspective

•           Leverages C# language features that simplify LINQ development

•           Offers developers powerful LINQ query expressions to perform virtually any data-related task

•           Teaches how to query SQL databases for objects and how to modify those objects

•           Demonstrates effective use stored procedures and database functions with LINQ

•           Shows how to add business logic that reflects the specific requirements of your organization

•           Teaches developers to create, query, and transform XML data with LINQ

•           Shows how to transform object, relational, and XML data between each other

•           Offers best patterns and practices for writing robust, easy-to-maintain LINQ code

「Charlie和Dinesh帶來了重要的技能，使他們能夠展示LINQ的工作原理以及您在日常開發過程中可以如何使用它。」
──Anders Hejlsberg的前言

LINQ是微軟最令人興奮和強大的新開發技術之一。《Essential LINQ》是由微軟LINQ和C#團隊的領先成員撰寫的第一本LINQ書籍。這些微軟內部人士為架構師、開發人員和開發經理分享了他們對LINQ的深入理解，揭示了使用LINQ獲得最佳效果的新模式和最佳實踐。

Calvert和Kulkarni首先清楚地解釋了LINQ如何解決長期以來的「物件導向代碼」和關聯式數據庫之間的「阻抗不匹配」問題。接下來，他們展示了LINQ如何將查詢集成到C#中作為「一等公民」。通過使用實際的代碼示例，他們展示了LINQ提供了一種強類型、支持IntelliSense的技術，可用於從任何源頭（包括SQL數據庫、XML文件和通用數據結構）處理數據。

Calvert和Kulkarni仔細解釋了LINQ的轉化、可組合和聲明性能力。通過充分闡明這三個概念，作者使開發人員能夠發現LINQ的全部威力。除了涵蓋核心概念和使用LINQ to Objects、LINQ to XML、LINQ to SQL和LINQ to Entities進行實際的LINQ開發之外，他們還介紹了LINQ社區開發的高級主題和新的LINQ實現。本書還：

• 解釋了LINQ項目的整個生命周期：設計、開發、調試等等
• 從實際和理論的角度教授LINQ
• 利用簡化LINQ開發的C#語言功能
• 為開發人員提供強大的LINQ查詢表達式，以執行幾乎任何與數據相關的任務
• 教授如何查詢SQL數據庫中的對象以及如何修改這些對象
• 演示如何使用LINQ有效使用存儲過程和數據庫函數
• 展示如何添加反映組織特定要求的業務邏輯
• 教授開發人員如何使用LINQ創建、查詢和轉換XML數據
• 展示如何在對象、關聯和XML數據之間進行轉換
• 提供編寫健壯、易於維護的LINQ代碼的最佳模式和最佳實踐