This Wrox Blox demonstrates various LINQ to SQL techniques to use in upgrading the “Articles” portion of TheBeerHouse application. The first step is migrating. This Wrox Blox introduces you to Language Integrated Query (LINQ), application programming interface (API) and set of extensions to the Visual. NET questions has written for Wrox a short example Migrating to LINQ to SQL in TheBeerHouse and Website Programming.
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LINQ to SQL example for TheBeerHouse in Wrox Blox
All times are GMT Readers will become comfortable working with Entities Tablesnavigating Associations Relationshipsand working with stored procedures from a LINQ standpoint, throughout the implementation. After you purchase and download this title, you: You also discover how to take advantage of a shorthand method-call syntax that chains lambda expressions.
Readers will become comfortable working with Entities Tablesnavigating Associations Relationshipsand working with stored procedures from a LINQ standpoint, throughout the implementation. Yes that is possible though you would probably want to use a LinqDataSource to achieve this as a bonus you could also set your gridview up to use paging, editing, etc with this control http: Are entitled to three downloads.
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October 1st, A Windows form example uses Astoria’s. It continues with demonstrating use of partial classes for the ModelName Entities and EntityName objects, executing eSQL ObjectQuery s, and deferred or eager loading of associated entities, including ordering and filtering the associated entities. This also covers validation of create and update operations, optimizing the DataContext lifetime, performing updates with stored procedures, and working with complex types.
Are entitled to three downloads Are entitled to make a backup copy of the file for your own use Are entitled to print the Wrox Blox for your own use Are entitled to make annotations and comments in the Wrox Blox file for your own use May not lend, sell or give the Wrox Blox to another user May not place the Wrox Blox file on a network or any file sharing service for use by anyone other than yourself or allow anyone other than yourself to access it May not copy the Wrox Blox file other than as allowed above May not copy, redistribute, or modify any portion of the Wrox Blox contents in any way without prior permission from Wiley If you have any questions about these restrictions, you may contact Customer Care at 8 a.
This book is intended for experienced. The obvious question might be: This begins with examples of aggregate operators, explains use of the Let temporary local variable operator, shows you how to use Group By with aggregate queries, conduct the equivalent of left outer joins, wwrox take advantage of the Contains SQO to emulate SQL’s IN function.
The code is now available at the usual location at: Later chapters describe eSQL and these objects in greater detail. Password Wrrox Password Register. This concludes with a demonstration of the use of the ASP.
It starts kinq a detailed description of the ObjectContext. You are currently viewing the BOOK: NET, wtox author uses C throughout this Wrox Blox, so readers should have at least an intermediate level of understanding with C. Click on their post! C and VB sample projects demonstrate object, array, and collection initializers, extension methods, anonymous types, predicates, lambda expressions, and simple query expressions.
LINQ is Microsoft’s first attempt to define a universal query language for a diverse set of in-memory collections of generic objects, entities persisted in relational database tables, and element and attributes of XML documents or fragments, as well as a wide variety of other data types, such as RSS and Atom syndication feeds.
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BB code is On. Here’s Doug’s description of the content, wdox there’s a full table of contents for the 34 pages Wrox Blox on the page for it: Need to download code?
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Professional LINQ – Wrox
May not place the Wrox Blox file on a network wrxo any file sharing service for use by anyone other than yourself or allow anyone other than yourself to access it. May not copy, redistribute, or modify any portion of the Wrox Blox contents in any way without prior permission from Wiley. Doug Parsons, who many of you will know from these forums for all of his fantastic answers to many ASP.
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Professional ADO.NET 3.5 with LINQ and the Entity Framework
NET DataSets, provides a brief description of the entity-relationship E-R data model and diagrams, and then delivers a detailed analysis of EF architecture. After you purchase and download this title, you:. Most code examples emulate real-world data sources, such as the Northwind sample database running on SQL Server or Express Edition, and collections derived from its tables.