Tag: tools

EF Profiler and investigating object context

Summary : EF Profiler worth his money !

Long Description :

I have finished a application with Entity Framework and POCO – and custom generated (.tt) files.

Now it was time to investigate performance  – and it was a terrific problem.

How EF Prof helped me :

1.  Displaying number of ObjectContext created and disposed in a Unit of Work and / or web page.


2. Displaying problem with the ObjectCOntext : using same context from multiple threads, alerts about code like  here :


The red dot is about querying the database from the view. The gray one is about selecting a whole table without selecting top 1000 rows(OK, it was a dictionary table, like the list of countries)

3. When you want caching on your site , you can fast see this by seeing the difference between the number of queries and/or number of ObjectContext for the first time and the second one ( first time : 10, second time:2 or 0 😉 )

4. See most expensive queries as time – usually this is a good option to put an index on the “where” columns.More , you can see also non-unique queries (that you perform more than 1 time)

5. Investigate easily all queries. Know what you want to optimize and where.

Improvements  :

1. Say where is the ObjectContext that is not closing.


How to: View the Store Commands : http://msdn.microsoft.com/en-us/library/bb896348.aspx

Sql Profiler : http://msdn.microsoft.com/en-us/library/aa173918%28SQL.80%29.aspx

(free ones :




But the job will be done by yourself!

My programmer tools in 2009

you can download the PDF from http://msprogrammer.serviciipeweb.ro/wp-content/uploads/2010/03/tools.pdf




SharpZipLib Zip files programatically http://www.icsharpcode.net/OpenSource/SharpZipLib/Default.aspx
nunit test http://www.nunit.org/index.php
svn source control http://subversion.apache.org/
hudson continous integration http://hudson-ci.org/
EntityFramework sql server database to .NET code
filehelpers parse csv and other files http://www.filehelpers.com/
log4net logging http://logging.apache.org/log4net/
lumisoft parsing email messages http://www.codeproject.com/KB/vista/SMTP_POP3_IMAP_server.aspx
moq mocking in unit test http://code.google.com/p/moq/
automapper transferring data between dal and bll http://www.codeplex.com/AutoMapper
pagedlist use for paging in ASP.NET MVC http://pagedlist.codeplex.com/
log4postsharp logging every method with easy http://code.google.com/p/postsharp-user-plugins/wiki/Log4PostSharp
postsharp see log4postsharp, version 1.5 still free http://www.sharpcrafters.com/
webdeployment project to deploy web projects http://www.microsoft.com/downloads/details.aspx?FamilyID=0AA30AE8-C73B-4BDD-BB1B-FE697256C459&displaylang=en&displaylang=en
IIS SEO Toolkit verify my sites http://www.iis.net/expand/SEOToolkit
nbehave testing with words http://nbehave.org/
reflector analyze code, others and mine http://www.red-gate.com/products/reflector/
fiddler analyze ajax requests http://www.fiddler2.com/fiddler2
build utilities from apache svn commit if different http://msbuildtasks.tigris.org/
selenium testing web interfaces http://seleniumhq.org/
HtmAgilityPack saving web pages http://htmlagilitypack.codeplex.com/




notepad++ no notepad http://notepad-plus.sourceforge.net/uk/site.htm
paint graphic editor
paint.net graphic editor http://www.paint.net/
7zip free archiver-un-archiver http://www.7-zip.org/
sysinternals bunch of windows utilities http://technet.microsoft.com/en-us/sysinternals/default.aspx
windows live writer blog http://download.live.com/writer
psr.exe new method to create help
logparser parse fast files http://www.microsoft.com/downloads/details.aspx?FamilyID=890cd06b-abf8-4c25-91b2-f8d975cf8c07&displaylang=en
foxitreader pdf reader www.foxitsoftware.com/pdf/reader
yahoo instant messaging www.yahoo.com
skype instant messaging http://www.skype.com/intl/en/
dosbox old games redivivus http://www.dosbox.com/
vlc movie player http://www.videolan.org/vlc/
dvddecrypter and dvdshrink backup my movies http://www.mrbass.org/dvdrip/
magicdisk load iso files http://www.magiciso.com/tutorials/miso-magicdisc-overview.htm
freecommander norton commander http://www.freecommander.com/
winmerge compare files / folders http://winmerge.org/downloads/

Firefox addons


yahoo slow

As I was saying, you can download the PDF from http://msprogrammer.serviciipeweb.ro/wp-content/uploads/2010/03/tools.pdf

Andrei Ignat weekly software news(mostly .NET)

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