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PhoneNumber = @”^(\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4}))*$”; AnyPositiveInteger = @”^[0-9]*$”; AlphabeticalCharactersNoSpace = @”^[a-zA-Z]*$”; ZipCodeUseOnly = @”^(\d{5}-\d{4}|\d{5}|\d{9})$|^([a-zA-Z]\d[a-zA-Z] \d[a-zA-Z]\d)*$”; ZipCodeRequiredUseOnly = @”^(\d{5}-\d{4}|\d{5}|\d{9})$|^([a-zA-Z]\d[a-zA-Z] \d[a-zA-Z]\d)+$”; ValidStringWithSpace = @”^[a-zA-Z' ']+$”; AlphaNumeric = @”^[a-zA-Z0-9]+$”; EmailAddress = @”^([a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-zA-Z](?:[a-zA-Z-]*[a-zA-Z])?\.)+[a-zA-Z]{3})+$”; WebsiteAddress = @”^(((http|https)\:\/\/)?[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?)?$”; OptionalEmailAddress = @”^([a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-zA-Z](?:[a-zA-Z-]*[a-zA-Z])?\.)+[a-zA-Z]{3})*$”; NullableValidStringWithSpecialCharacters = @”^([a-zA-Z' '.!#$%&'*+/=?^_`{|}~-])*$”; AmountValidator … Continue reading →

Lot of times we have need to fetch columns from multiple tables using LINQ. I have used following approach for the same – Happy Coding.

http://support.microsoft.com/kb/312629/EN-US/

http://geekswithblogs.net/Frez/articles/back-button-issue-after-logout-in-asp.net.aspx

http://www.heartysoft.com/aspnet-routing-iis7-remember-modules http://www.britishdeveloper.co.uk/2010/06/dont-use-modules-runallmanagedmodulesfo.html

You can use Microsoft Service Trace Viewer (SvcTraceViewer.exe) to help diagnose problems with connections to your WCF services. For example, if calling WCF service from the client using AJAX (or maybe AJAJ for JSON!) you might get a 500 Server … Continue reading →

If you are trying to load data asynchronously similar to various popular web 2.0 apps like facebook, twitter then following post is for you – http://weblogs.asp.net/scottgu/archive/2006/10/22/Tip_2F00_Trick_3A00_-Cool-UI-Templating-Technique-to-use-with-ASP.NET-AJAX-for-non_2D00_UpdatePanel-scenarios.aspx

Creating custom activities with Windows Workflow Foundation is easy, but creating a fully featured activity designer is not quite as easy.  In this episode, you will see the tips and tricks of creating an activity designer to get up and … Continue reading →

http://lvquoc.blogspot.com/2010/11/disable-xml-comment-warning-in-workflow.html