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12 Articles match "Entity Framework","LINQ"

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Essential LINQ with the Entity Framework
Learn to combine flavors of LINQ to query and transform in-memory collections, XML data sources, and relational databases. Learn to develop applications for EF and LINQ to Entities and employ ADO.NET Data Services to integrate data from the Internet cloud. You'll get answers to these questions: When should I use LINQ instead of "classic" ADO.NET? How is LINQ to Entities different from LINQ to SQL? How can I use stored procedures with LINQ to retrieve and update relational databases? LINQ to Objects The central feature of.NET 3.5
DevelopMentor Courses - Friday, June 12, 2009
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Essential LINQ with the Entity Framework 4.0
including extension methods and lambda expressions Use LINQ to filter, sort, and group in-memory collections of objects Create LINQ to Entities queries to execute stored procedures and perform updates in real-world database applications Write LINQ to XML queries to search XML documents and save them to the file system Build a rich conceptual entity model using the EF and to visually map it to a database schema Learn how to implement Repository and Unit of Work design patterns with EF 4.0 How is LINQ to Entities different from LINQ to SQL?
DevelopMentor Courses - Monday, October 12, 2009
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Essential Entity Framework 4.0 with Data Services
including extension methods and lambda expressions Use LINQ to filter, sort, and group in-memory collections of objects Write LINQ to XML queries to search XML documents and save them to the file system Create LINQ to Entities queries to execute stored procedures and perform updates in real-world database applications Build a rich conceptual entity model using the EF and visually map it to a database schema Learn how to implement Repository and Unit of Work design patterns with EF 4.0 How is LINQ to Entities different from LINQ to SQL?
DevelopMentor Courses - Friday, May 7, 2010
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25 Articles match "Entity Framework","LINQ"

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The NoSQL Movement, LINQ, and MongoDB - Oh My!
Interact with the database using LINQ. Shortly we’ll look at an example where we build out a disconnected, offline RSS reader that uses MongoDB and LINQ to store its data. You have several options when choosing how to access MongoDB from.NET but generally that means using LINQ and a light-weight object-mapper on top of MongoDB itself. Then we’d use LINQ to SQL or Entity Framework to generate the ORM classes. We begin by generating the objects (Blog, RssEntry, etc) in memory and then serializing them via NoRM to MongoDB much as you would in LINQ to SQL.
Michael C. Kennedy's Weblog - Thursday, April 22, 2010
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WCF Data Services versus WCF Soap Services
All you have to do for a.NET client is simply write a LINQ query, and Data Services will translate it to a URI sent to the service. The resulting XML is used to populate client-side entities, which are change-tracked. Scott Hanselman Interview with Pabro Castro on OData Open Data Protocol (OData) WCF Data Services Team Blog Entity Framework 4.0 Someone recently asked me this question: When a company that has been using 2 tiers wants to move to n-tier, what are the considerations for choosing WCF and STEs [or Trackable DTOs] vs. WCF Data Services? Sweet.
Tony and Zuzana's World - Tuesday, April 13, 2010
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Join me in Boston to Talk about.NET!
If you want to learn about WCF, WPF, Silverlight, LINQ, Entity Framework, and more there is still time to sign up (note the date may no longer appear on the public calendar).    [link]. I'll be in Boston, MA on March 22 to teach an open enrollment course for DevelopMentor. Mention this blog post and you'll receive a discount as well. All content copyright Michael C. Kennedy. All information, source code, and especially tools are provided as is and on a "use at your own risk" basis.
Michael C. Kennedy's Weblog - Thursday, March 11, 2010
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  • The Best from DevelopMentor MORE
  • Top Ten New Features in Entity Framework 4.0
    The Entity Framework team at Microsoft has been extremely busy this past year to get a new version of the Entity Framework out the door. SP1) generated a fair amount of criticism , especially because it lacked many features present in LINQ to SQL, such as POCO (Plain Old CLR Objects) support, and required developers to write excessive amounts of code to deal with things like concurrency and n-tier scenarios. In response, the EF team published an Entity Framework Design Blog , soliciting feedback from the community on critical design decisions.
    Tony and Zuzana's World - Thursday, July 9, 2009
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  • Entity Framework: ObjectContext.SaveChanges is transactional
    The documentation doesn't specifiy it but in the Entity Framework when you call ObjectContext.SaveChanges the update is 'wrapped' in a transaction. Tags: NET C# LINQ NorthwindIBModel model = new NorthwindIBModel(); Guid id = Guid.NewGuid(); model.AddToCustomer(new Customer() { CustomerID = id, ContactName = "Andrew", CompanyName = "Northwind Traders" }); model.AddToCustomer(new Customer() { CustomerID = id, ContactName = "Aikido", CompanyName = "Northwind Traders " }); model.SaveChanges(); // exception duplicate key - transactional -> no changes to the database.
    The Blomsma Code - Monday, March 23, 2009
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  • Learn What’s New in Entity Framework 4.0!
    I’ll be presenting a free DevelopMentor web cast on Tuesday Dec 8, 2009 at 9:00 am (Pacific Standard Time) on new features in Entity Framework 4.0. The web cast includes slides and demos , as well as question-and-answer periods in which we’ll discuss some of the other new features coming in Entity Framework 4.0. If you would like to get a complete in-depth treatment of everything Entity Framework has to offer, sign up for my DevelopMentor course, Essential LINQ with Entity Framework 4.0 , running in Los Angeles, Boston and London.
    Tony and Zuzana's World - Saturday, December 12, 2009
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  • Top Ten New Features in Entity Framework 4.0
    The Entity Framework team at Microsoft has been extremely busy this past year to get a new version of the Entity Framework out the door. SP1) generated a fair amount of criticism , especially because it lacked many features present in LINQ to SQL, such as POCO (Plain Old CLR Objects) support, and required developers to write excessive amounts of code to deal with things like concurrency and n-tier scenarios. In response, the EF team published an Entity Framework Design Blog , soliciting feedback from the community on critical design decisions.
    Tony and Zuzana's World - Thursday, July 9, 2009
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  • Better N-Tier Concurrency Management for the Entity Framework
    I just wrote an article for MSDN Magazine (due out in December) about developing n-tier applications for both LINQ to SQL and the Entity Framework. While researching the topic, I noticed a certain awkwardness with the Entity Framework API when it came to managing concurrency with a timestamp fields, as compared with LINQ to SQL. The Entity Framework, on the other hand, requires attaching the original unmodified entity, then calling ApplyAllChanges, passing in the modified entity. Although v.2 Order UpdateOrder(DTO. Enjoy!
    Tony and Zuzana's World - Saturday, November 8, 2008
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  • The NoSQL Movement, LINQ, and MongoDB - Oh My!
    Interact with the database using LINQ. Shortly we’ll look at an example where we build out a disconnected, offline RSS reader that uses MongoDB and LINQ to store its data. You have several options when choosing how to access MongoDB from.NET but generally that means using LINQ and a light-weight object-mapper on top of MongoDB itself. Then we’d use LINQ to SQL or Entity Framework to generate the ORM classes. We begin by generating the objects (Blog, RssEntry, etc) in memory and then serializing them via NoRM to MongoDB much as you would in LINQ to SQL.
    Michael C. Kennedy's Weblog - Thursday, April 22, 2010
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  • LINQ to SQL is dead
    It would appear that LINQ to SQL is running on a dead end track. At PDC the announcement was made that no more investments in LINQ to SQL are made and the Entity Framework will absorb any features that LINQ to SQL has and that are worth preserving. The following message from Tim Mallalieu says it all: Is LINQ to SQL Dead? We will continue make some investments in LINQ to SQL based on customer feedback. LINQ to Entities will be the recommended data access solution for LINQ to relational scenarios. Tags: LINQ
    The Blomsma Code - Saturday, November 1, 2008
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