July 2009 - .NET Development

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New in EF4 is Self-Tracking Entities

Good post about one of the new features of Entity Framework 4.0. In the upcoming version, entities will be able to self track changes and implement them using the ObjectContext. This is tremendously helpful when passing entities between tiers and then...

Published 30 Jul 2009 10:18 PM by Gal Ratner

Filed under: Entity Framework, .NET 4.0
Great post from Eric Eilebrecht's blog on CLR 4.0 ThreadPool Improvements

This is a great post about CLR thread pool for CLR 4.0. integrating The Task Parallel Library sounds exciting. http://blogs.msdn.com/ericeil/archive/2009/04/23/clr-4-0-threadpool-improvements-part-1.aspx

Published 29 Jul 2009 6:29 PM by Gal Ratner
HashSet vs. List search performance. Surprising results.

I was trying to see how fast HashSet search is compared to a List. Microsoft defines the HashSet as: “provides high performance set operations. A set is a collection that contains no duplicate elements, and whose elements are in no particular order...

Published 29 Jul 2009 8:14 AM by Gal Ratner

Filed under: HashSet, Generics, List
Validate file move with MD5

MD5 Hash is a great way of validating file integrity after a move. If you are uploading or downloading large files or even moving files between servers, for example: from your encoding servers to your CDN, and need a way to know the file was moved correctly...

Published 17 Jul 2009 5:25 AM by Gal Ratner

Filed under: MD5
How to send and receive messages from Microsoft message Queue

The message Queue is a windows component designed to reliably store cross domain messages. It has may uses in enterprise systems. For example: storing orders from a web service for background processing by a windows service. Queues can be transactional...

Published 14 Jul 2009 3:20 PM by Gal Ratner
Error while setting property 'Total': '$0.00 is not a valid value for Decimal.' trying to delete row with EntityDataSource

While trying to delete a row in a GridView I enccountered a format exception. I had a bound field that was a decimal formated as money < asp : BoundField DataField ="Total" HeaderText ="Total" DataFormatString ="{0:C}"...

Published 11 Jul 2009 6:23 AM by Gal Ratner

Filed under: Entity Framework
To O/R Map or not to O/R Map - The Data Layer debate

To O/R Map or not to O/R Map I’ve recently been faced with the age old question, “Should I O/R map or use the traditional custom data layer along with stored procedures?” There are many opinions and articles about this subject, and I’m...

Published 9 Jul 2009 6:04 AM by Gal Ratner

July 2009 - .NET Development

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New in EF4 is Self-Tracking Entities

Great post from Eric Eilebrecht's blog on CLR 4.0 ThreadPool Improvements

HashSet vs. List search performance. Surprising results.

Validate file move with MD5

How to send and receive messages from Microsoft message Queue

Error while setting property 'Total': '$0.00 is not a valid value for Decimal.' trying to delete row with EntityDataSource

To O/R Map or not to O/R Map - The Data Layer debate