Justin Cooney

Web Development Tips and Examples

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about

I am a Senior Applications Programmer / Analyst with years of experience developing enterprise solutions using the Microsoft technology stack including C#, VB.NET, ASP.NET, AJAX, IIS and SQL Server. I specialize in Web application development with a focus on building secure systems, integrating applications, and designing robust database structures.

Category: C#

  • Correcting 404 Errors in IIS 6 When Running an ASP.NET ASPX Page

    I was setting up a new Web Server that had been pre-installed with Windows 2003, IIS 6 and ASP.NET 2.0. The catch was that when I set up a new Web site on the server, I would get a 404 error page when the server was asked to serve up ASP.NET files (aka: files with the…

  • VSTO for MS Outlook 2007 – Using msocontroledit and msoControlComboBox in the Commandbars

    VSTO for MS Outlook can be a powerful way to customize Outlook programmatically. However, the syntax can be finicky at times and I have found a few instances where the programming logic becomes tricky. For example, you can use VSTO to add a text box to the Outlook command bar window. This can be put…

  • VB.NET Type Conversion (Casting) Overview

    VB.NET supports several type conversion functions. Widening conversions are handled by the compiler and don’t need to be explicitly written, but narrowing conversions require use of VB.NET’s type conversion functions. The three type conversion functions are: DirectCast CType (and CInt, CStr,…Cxxx) TryCast The compiler may not report an error if you code a narrowing conversion…