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Lazy Exceptions for Fake LINQ Queries

K. Scott Allen, June 22, 2011
Views: 1,746 | Hits 74

If you want to simulate an exception from an IQueryable data source, be careful about when the exception is thrown. As an example, let's use the following interface. public interface IContext { ...

LINQ: The overloaded Contains Operator

Jesse Liberty - Silverlight Geek, June 8, 2011
Views: 1,525 | Hits 47

A LINQ Tutorial As part of my continuing (and occasional) series of mini-tutorials on LINQ this posting will consider the overloaded Contains operator. This operator allows you to check whether a list...

LINQ - Sample Queries

Recently Posted Code Samples on MSDN, May 31, 2011
Views: 1,349 | Hits 18

This project contains about 101 samples using LINQ....

YAEC (Yet Another Email Client) but this one has LINQ to IMAP...

MSDN: Coding4Fun, May 23, 2011
Views: 1,666 | Hits 97

Today's project comes to us via The Code Project, Yet Another Email Client (LINQ to IMAP).Did the "LINQ to IMAP" reach out and grab your attention too? You've just got to love LINQ and the possibili...

We have IQueryable, so why bother with a repository

Pablo M. Cibraro (aka Cibrax), May 5, 2011
Views: 1,561 | Hits 107

The repository pattern became popular a couple of years ago by the hand of Eric Evans with the DDD (Domain Driven Design) movement and Martin Fowler with his catalog of Enterprise Application Patterns...

Use LINQ to Retrieve Data for Your Crystal Reports - The #1 ASP.NET Community, March 15, 2011
Views: 2,088 | Hits 65

This article will show you how to use LINQ to retrieve your data and then "hook" it to a Crystal Report....

Video: LLBLGen Pro v3 designer and runtime framework

Frans Boumas blog, March 14, 2011
Views: 1,371 | Hits 56

With DevExpress' Seth Juarez I recorded a webinar / video (Length: 1:25:05) which shows the most important features of the LLBLGen Pro designer (roughly the first hour of the video) and how to use the...

The LINQ Max operator New Articles, March 13, 2011
Views: 1,602 | Hits 37

The Max operator (an extension method defined on the Enumerable class) allows finding the maximum value in a sequence based on arbitrary criteria.  read moreBy Indranil Chatterjee...

Linq to XML

Jesse Liberty - Silverlight Geek, February 15, 2011
Views: 1,638 | Hits 86

Windows Phone From Scratch #35   Yesterday, we took a look at two variants on Linq statements, one against a collection of integers, and then another against a collection of user-defined objects (Cust...


The Code Project Latest Articles, February 2, 2011
Views: 1,038 | Hits 11

Language INtegrated Query in RSS...

LINQ Lycanthropy: Transformations into LINQ

Simple Talk, January 5, 2011
Views: 1,267 | Hits 13

LINQ is one of the few technologies that you can start to use without a lot of preliminary learning. Also, it lends itself to learning by trying out examples. With Michael's help, you can watch as yo...

Using LINQPad to Run My Life: Budgeting

Marquee de Sells: Chriss insight outlet, December 11, 2010
Views: 1,594 | Hits 72

I use LINQPad all the time for a bunch of stuff, but most recently and most relevant, Ive been using it for a personal chore that isnt developer-related: Ive been using it to do budgeting. What is LI...

LINQ Secrets Revealed: Chaining and Debugging

Simple Talk, December 1, 2010
Views: 1,126 | Hits 18

LINQ has the capabilities of providing a great productivity boost. LINQ Chaining is particularly powerful magic, giving your code greater clarity and brevity. Using it, and debugging it, can be trick...

Dryad and DryadLINQ from MSR

The Moth, November 14, 2010
Views: 1,188 | Hits 31

Microsoft Research (MSR) researches technologies, incubates projects which many times result in technology that looks like a ready-to-use product (but it is important to understand that these are not ...

All NHibernate Day materials and videos are online

Code Climber, November 3, 2010
Views: 1,038 | Hits 50

Almost one month passed since the NHDay in Bologna and but we didnt forget about the promise we made about streaming and having the videos online for people that couldnt attend. And now, after all th...

Having fun with LINQ expressions

Cirrus Minor, November 2, 2010
Views: 1,393 | Hits 133

I don’t know how many of you need to analyze LINQ queries – but since this took me a few hours to get right I thought I’d save you some of the trouble in case you do. I am working on this pet project ...

Flat file Database with LINQ and ASP.NET jQuery Page Methods. New Articles, October 13, 2010
Views: 2,326 | Hits 6

How to create a flat file delimited database of quotations and implement LINQ plus jQuery access to ASP.NET PageMethods.  read moreBy Peter Bromberg...

LINQ Range Variable Problem

Steven Smith, October 5, 2010
Views: 1,822 | Hits 10

Ran into this issue last night and just figured it out.  I have this code for a demo: using System;using System.Data.Objects;using System.Transactions;using ExtractTransformLoad.Domain;using ...

Book Review: WCF 4.0 multi-tier services development with LINQ-to-Entities - The #1 ASP.NET Community, October 5, 2010
Views: 1,605 | Hits 42

In this article, Peter reviews the book WCF 4.0 multi-tier services development with LINQ-to-Entities, written by Mike Liu....

LINQ or Lync?

Fabrice's weblog, October 2, 2010
Views: 2,671 | Hits 70

There's a new "link" from Redmond. It's not LINQ this time, but Lync.Isn't it great to have two names colliding in the Microsoft world?Is someone working on LINQ to Lync? Cross-posted from http://li...

Enumerating Through XML Elements Using LINQ-to-XML

Scott on Writing, September 28, 2010
Views: 3,561 | Hits 16

4Guys reader Dan D. recently emailed me with an inquiry surrounding my article series, Building a Store Locator ASP.NET Application Using Google Maps API, specifically on how to access a different set...

Technical Reviews

Tanzim Saqib on .NET discovery, September 21, 2010
Views: 1,170 | Hits 17

I work for Addison-Wesley Professional as Technical Reviewer. I reviewed and ensured technical correctness of the book, LINQ to Objects using C# 4.0. From this book, you will get: A clear explanation ...

First European NHibernate Day: some updates

Code Climber, September 17, 2010
Views: 1,014 | Hits 8

The NHibernate Day is just 21 days from today, so I wanted to give some updates on it. Did you receive the email? We sent an email to all the attendees, but seems like there might be some problem...

ObjectDumper dumps out a collection to the console or to a file via reflection New Articles, August 26, 2010
Views: 1,304 | Hits 3

When developing C# programs in the functional programming style, or with LINQ, you often need to dump out a collection to the console or to a file.  read moreBy Peter Bromberg...

Only parameterless constructors and initializers are supported in LINQ to Entities

Code Climber, August 25, 2010
Views: 3,443 | Hits 58

Back from the holiday an nice surprise was awaiting for me: Ive to finalize (as in make it work) an application that someone that left the company developed more than one year ago. Among the other pro...

System.Core in VS2010 Projects

Steven Smith, August 24, 2010
Views: 1,366 | Hits 13

I just ran into an odd issue with a VS2010 project.  In my case it was an MVC 2 application I was upgrading from VS2008.  One of the built-in controllers (ProfileController) was failing to c...

LINQ [Where] extension method vs [where]

The Code Project Latest Articles, August 13, 2010
Views: 1,337 | Hits 62

Subtle difference between Where extension method and the where clause in LINQ...


Peter Brombergs UnBlog, August 13, 2010
Views: 1,220 | Hits 55

The more I use LINQ, the more I run into legacy code that can easily be improved. The nice thing about LINQ is that it can make your code more elegant and easier to understand, as well as, in most cas...

Mocking LINQ to SQL [Continued] using RLINQ

Mehfuzs WebLog, July 29, 2010
Views: 1,160 | Hits 31

After making the post on mocking LINQ to SQL, this morning i was having a chat with Stephen forte and come to know that telerik a has product named RLINQ. RLINQ is built on top of OpenAccess and it su...

Unit testing LINQ to SQL

Mehfuzs WebLog, July 20, 2010
Views: 1,429 | Hits 45

Unit testing LINQ to SQL repositories can be very challenging. Unit testing such requires faking hard to mock classes and requires simulation to return your custom data for a particular LINQ statement...

An Extensive Examination of LINQ: Extending LINQ - Adding Query Operators Headlines, July 7, 2010
Views: 1,298 | Hits 41

As discussed in earlier installments of this article series - most notably in An Introduction to LINQ and The Standard Query Operators - one of LINQ's primary components is its set of standard query ...

Extreme LINQ, building a RayTracer

MSDN: Coding4Fun, July 2, 2010
Views: 1,807 | Hits 26

This is what happens when you give certain people spare time :-).  They decide to do something just because they can.  Luke built functional RayTracer with LINQ.  He openly states this...

LINQ can be used to query and transform strings and collections of strings. It can be especially useful with semi-structured data in text files. LINQ queries can be combined with traditional string fu New Articles, May 6, 2010
Views: 1,168 | Hits 7

Some interesting approaches to string querying and conversion via LINQ  read moreBy Peter Bromberg...

Linqpad - an excellent free utility for developing and testing LINQ Expressions

ASP.NET Announcements, March 17, 2010
Views: 1,322 | Hits 47

Linqpad is utility for developing LINQ expressions and test them against data sources such a database or an XML file. It is available from

Hex Dump using LINQ (in 7 lines of code)

Fabrice's weblog, March 12, 2010
Views: 1,209 | Hits 22

Eric White has posted an interesting LINQ query on his blog that shows how to create a Hex Dump in something like 7 lines of code.Of course, this is not production grade code, but it's another good ex...

Episode #6 - Julie Lermon on Learning The Entity Framework

MS-Joe, March 11, 2010
Views: 989 | Hits 27

Episode #6 - Julie Lermon on Learning The Entity Framework In this episode The Misfit Geek talks with Data Expert Julie Lerman on leanring LINQ to Entities and the Entity Framework. .  Resources ...

ORM Release History : Q1 2010 (version 2010.1.310)

Telerik News RSS Feed, March 10, 2010
Views: 862 | Hits 10

Enhancements New Visual designer for Telerik OpenAccess ORM New database support: VistaDB4.0 LINQ: Support for SelectMany - Support for the following: from p in PersonExtent from a in AddressEx...

Comparing LINQ to SQL vs the classic SqlCommand

Al Pascual, March 8, 2010
Views: 1,681 | Hits 92

tweetmeme_url = '';tweetmeme_source = 'alpascual';When you are coming from using SqlCommand and SqlConnection is difficult to ...

Join Lists with LINQ - SharePoint 2010 New Articles, February 15, 2010
Views: 4,748 | Hits 7

One common request for LINQ to SharePoint is support for joins across Lists. This article will show you how to use the Join() operator in efficient way. Show here by an example that joins two lists, a...

Using LINQ Lambda Expressions to Design Customizable Generic Components

Simple Talk, January 27, 2010
Views: 847 | Hits 19

LINQ makes code easier to write and maintain by abstracting the data source. It provides a uniform way to handle widely diverse data structures within an application. LINQs Lambda syntax is clever eno...

LINQPad updated to support .NET 4.0b2!

Marquee de Sells: Chriss insight outlet, January 24, 2010
Views: 2,218 | Hits 40

I'm such a fan of LINQPad you don't even know. Recently Joe updated it to support Data Services and as of today, if you scroll down to the bottom of the LINQPad download page, it's been updated t...

Dynamic Query with Telerik OpenAccess

the telerik blogs, January 20, 2010
Views: 3,057 | Hits 8

With the introduction of LINQ the concept of querying data became a first-class language construct in C# and Visual Basic.  LINQ enables to you write type-safe queries which are checked during co...

LINQPad updated to support Data Services!

Marquee de Sells: Chriss insight outlet, December 16, 2009
Views: 1,717 | Hits 43

Joe Albahari, the author of LINQPad, has added support for WCF Data Services to the 1.37.1 version beta of LINQPad. This means that you can point LINQPad at any Open Data (OData) endpoint and d...

LINQPad updated to support Data Services!

Marquee de Sells: Chriss insight outlet, December 16, 2009
Views: 2,070 | Hits 15

Joe Albahari, the author of LINQPad, has added support for WCF Data Services to the 1.37.1 version beta of LINQPad. This means that you can point LINQPad at any Open Data (OData) endpoint and d...

A message from your sponsor: Single and SingleOrDefault are supported in EF4

Julia Lerman Blog - Dont Be Iffy..., December 10, 2009
Views: 1,088 | Hits 12

Just a friendly reminder that I’m passing on from one of the tech reviewers of my book who (thankfully) noticed that I had left a note in there about Single & SingleOrDefault not being suppo...

Using Three Flavors of LINQ To Populate a TreeView

Simple Talk, December 2, 2009
Views: 2,402 | Hits 53

LINQ is a valuable technology. LINQ to XML, LINQ to Objects and LINQ to XSD, in particular, can save valuable time for developers and produce more maintainable code. Michael describes how he used thre...

Using PLINQ for Managing Multiple Threads, December 2, 2009
Views: 1,623 | Hits 38

Im currently watching an online video (400 level, very high) from PDC while flying home from Chicago (and blogging about it).  One of the common patterns I often implement is to write some code.....

Eloquera DB (web-oriented .NET object database) now supports LINQ

ASP.NET Announcements, November 25, 2009
Views: 2,335 | Hits 60

A new version of the Eloquera database 2.5.0 now supports LINQ http://www.eloquera.comNow you can run the query like this: var movies = from Movie m in db where m.Title == "Joe" order...

An Extensive Examination of LINQ: Introducing LINQ to XML Headlines, November 25, 2009
Views: 1,707 | Hits 33

XML is an increasingly popular way to encode documents, data, and electronic messages. There are a number of ways to programmatically create, modify, and search XML files. Since its inception, the .NE...

Short Intro to LINQ To XML and why it is important New Articles, November 21, 2009
Views: 1,005 | Hits 2

Short Intro to LINQ To XML and why it is important. Basic Classes and operators including an example query  read moreBy Peter Bromberg...