Videos tagged with Linq2Sql

Summary In this presentation from the JVM Languages Summit 2008, Mads Torgersen discusses LINQ, declarative programming and metaprogramming in C#, examples of LINQ syntax and usage, lazy evaluation of LINQ queries, extension methods, lambda expressions, LINQ-to-SQL, LINQ expressions and metaprogramming, expression trees, how the .Net Dynamic Language Runtime (DLR) works, PLINQ, and the future o...

In this episode, you will learn about the reasons why you might use an Object/Relational Mapper (ORM). You will also hear why NHibernate is a particularly good ORM, when it is appropriate to use NHibernate and when it is NOT appropriate to use NHibernate. Finally, you will hear why you might choose NHibernate over the ADO.NET Entity Framework and Linq2Sql and when and might not choose it.

In this episode we will how to use Linq2Sqls Delayed Execution process to modify or append query syntax to our statements. This can be used to remove duplication withen your query logic.

In this episode we will start a new series where we are going to be walking through the coding process of adding a new feature to the Dimecasts.net website. In this episode we will create the needed data access to allow us to pull the data correctly.

In this episode we will walk you though the the various ways to perform subselects with Linq2Sql. We will also take a look at the SQL that is generated. We will be doing all of our coding in this episode in LinqPad.

In this episode we will learn how to use the DataContext object that is part of Linq2Sql to build/rebuild our data base for testing. We will walk though the creation of the database, the creation of data and learn how to wire this process up to our Tests.

In this episode we take a look at how to create various types of Linq2Sql statements.  All the statements created in this episode are done using the really sweat LinqPad tool. The types of statements that are reviewed here are: Inner Joins Outter Joins Groupings (with some Aggregations) Select top N rows

In this episode we do an introductory of Linq2Sql.  This is meant to be a beginners guide. The items that are covered are: Learn how to create the data connection via Server Explorer How to use the Linq2Sql Designer Review the DataContext object that is generated Simple Linq2Sql Statements