Justin Cooney

Web Development Tips and Examples

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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.

Author: Justin Cooney

  • Detecting and Upleveling ASP.NET Pages for IE11

    It’s considered best-practice to do browser detection based on features rather than the more error-prone detection based on the user-agent. For example, see this Microsoft browser identification best practices article for how they suggest you structure your Internet Explorer detection scripts by making user of the ASP.NET HttpBrowserCapabilities Object. If you are interested in reading…

  • Three Free Online Code Sandbox and Collaboration Tools for SQL, .NET, JavaScript

    Being able to write and test code snippets in your Web browser in collaboration with others anywhere in the world is an empowering experience. This is especially true when the tool is free for anyone to use. I can see no better way for developers to learn new languages or code better applications when the…

  • ASP.NET Doesn’t Detect IE11

    The issue of .NET 4.0 Web pages not rendering properly for specific versions of Internet Explorer is a repeat of the recent inability of the ASP.NET engine to detect IE 10 .  Frankly, I’m surprised that this continues to be a problem and that Microsoft has not come out with a long-term solution other than…