Justin Cooney

Web Development Tips and Examples

recent posts

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: .Net

  • Generating Excel documents through HTML, XML, and CSS – Part 1

    I recently had the requirement to take the HTML from a batch of reports on a Web application and output these with very specific formatting requirements to Excel. I am familiar with the basic syntax of setting the content type to ‘application/ms-excel’ before streaming  the HTML content. However things get rapidly more complex if the…

  • ASP.NET Export to Excel: Set the Default Print Paper Size Programmatically

    I’ve been working on adding the ability to export to Excel format to reports that I have written in ASP.NET. While doing this I have received numerous feature requests including the ability to set by default the paper size to be printed to. As a little bit of background on the topic: I use a…

  • Regular Expressions: What are the best Regular Expression testing tools?

    Personally, I love Regular Expressions. They are incredibly useful and can quickly turn a task that would take many lines of code into a single statement. They are perfect for text manipulation and forms processing & validation. In general they simplify the everyday coding lives of developers world-wide. However, Regular Expressions do come with a…