Simple, elegant, effective way of validating email addresses in VB.NET, on VB forums: http://www.vbforums.com/showthread.php?t=407441

    Function EmailAddressCheck(ByVal emailAddress As String) As Boolean

        Dim pattern As String = "^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$"

        Dim emailAddressMatch As Match = Regex.Match(emailAddress, pattern)

        If emailAddressMatch.Success Then

            EmailAddressCheck = True

        Else

            EmailAddressCheck = False

        End If

    End Function

Hold down the ALT key and type 02217

Full list available here: http://tlt.its.psu.edu/suggestions/international/accents/codealt.html#math

Very simple: OnClientClick="aspnetForm.target ='_blank';"

Reference:
http://stackoverflow.com/questions/104601/asp-net-response-redirect-to-new-window

Great article on 4guysfromrolla explaining how to create a tag cloud in ASP.net. Read it here

Scott Mitchell has an excellent article over at 4GuysFromRolla.com on how to create a custom asp.net server control for rounded corners...no graphic design experience required :)

Click here to view

If you have to automate this configuration, I have written a batch file to do this:

GOTO EndComment

           Joe hunter

          08/03/2010

          This batch file allows the ASPNET account on the PC hosting the Portal

to have local launch (ll) and local activation (la) privileges for Microsoft

Excel so reports can be output to XL from the portal.

          NOTEs:

- MS XL application ID is 00020812-0000-0000-C000-000000000046

- The DCOMPERM exe is downloadable from http://cid-62b84429c3a8a991.skydrive.live.com/self.aspx/SharePoint/DComPerm.zip#resId/62B84429C3A8A991!316

          - Reference: http://blog.crowe.co.nz/archive/2006/03/02/589.aspx     

:EndComment

DCOMPERM.EXE -al {00020812-0000-0000-C000-000000000046} set %computername%\ASPNET permit level:ll,la

Thanks to Chris Crowe, this article explains how to ensure you can output to Excel from an ASP.NET web app:

Read it here

Started using NDoc to document .NET code...very useful:

NDoc Code Documentation Generator for .NET