Browse by Tags

Selecting Static Results with Dynamic LINQ

Dynamic LINQ (DLINQ) is a LINQ extension provided in the VS 2008 Samples . Scott Guthrie provides a good overview here: Dynamic LINQ (Part 1: Using the LINQ Dynamic Query Library) , but the executive summary is that it implements certain query operations...

Published Sat, Jan 01 2010 2:05 AM by Keith Dahlby

Filed under: LINQ, Expression Trees, DLINQ, Stack Overflow

Hacking LINQ Expressions: Join With Comparer

In this installment of my Hacking LINQ series we'll take a look at providing an IEqualityComparer for use in a LINQ join clause. The Problem Many of the Standard Query Operators require comparing sequence elements and the default query providers are kind...

Published Sat, Sep 09 2009 2:15 PM by Keith Dahlby

Filed under: LINQ, Hacking LINQ

Hacking LINQ Expressions: Select With Index

First, a point of clarification: I use LINQ Expressions to mean (Language-INtegrated) Query Expressions (the language feature) rather than Expression Trees (the .NET 3.5 library in System.Linq.Expressions). So what do I mean by "Hacking LINQ Expressions...

Published Tue, Sep 09 2009 5:04 AM by Keith Dahlby

Filed under: LINQ, Hacking LINQ

Simplifying LazyLinq

This is the fourth in a series of posts on LazyLinq , a wrapper to support lazy initialization and deferred disposal of a LINQ query context: Introducing LazyLinq: Overview Introducing LazyLinq: Internals Introducing LazyLinq: Queryability Simplifying...

Published Sun, Sep 09 2009 1:09 AM by Keith Dahlby

Filed under: LINQ, LINQ to SQL, LazyLinq, ILazyQueryable, ILazyContext, Queryable

Introducing LazyLinq: Queryability

This is the third in a series of posts on LazyLinq, a wrapper to support lazy initialization and deferred disposal of a LINQ query context: Introducing LazyLinq: Overview Introducing LazyLinq: Internals Introducing LazyLinq: Queryability Simplifying LazyLinq...

Published Thu, Aug 08 2009 10:31 PM by Keith Dahlby

Filed under: LINQ, LazyLinq, ILazyQueryable, Queryable

Introducing LazyLinq: Overview

This is the first in a series of posts on LazyLinq, a wrapper to support lazy initialization and deferred disposal of a LINQ query context, including LINQ to SQL's DataContext : Introducing LazyLinq: Overview Introducing LazyLinq: Internals Introducing...

Published Thu, Aug 08 2009 2:48 PM by Keith Dahlby

Filed under: LINQ, LINQ to SQL, DataContext, Expression Trees, LazyLinq

Using IDisposables with LINQ

Objects that implement IDisposable are everywhere. The interface even gets its own language features ( C# , VB , F# ). However, LINQ throws a few wrenches into things: LINQ's query syntax depends on expressions; using blocks are statements. When querying...

Published Thu, Jul 07 2009 4:29 AM by Keith Dahlby

Filed under: LINQ, IDisposable, LINQ to SQL

Improve Your Code Golf Game with LINQ

I always enjoy a good coding challenge, and variations of code golf are most common. For the uninitiated, code golf provides a problem with the objective of providing a solution that requires the fewest keystrokes or lines. While production code certainly...

Published Thu, Jul 07 2009 12:47 AM by Keith Dahlby

Filed under: Functional Programming, LINQ

Syndication

Recent Posts

Tags

Archives