One of the companies I work for recently took over a project from another vendor. As we started to maintain the site, we noticed that we could not drag and drop controls onto the page and get any more than a stub of the control. <asp:hyperlink runat=”server”></hyperlink> is ALL we got when we dropped the hyperlink control onto the designer.
In fact, every ASPX control on the page displayed the error, “Unrecognized tag prefix or device filter ‘asp.’”
What’s up with that?
Thinking that there must be something wrong with our development environment, or at least something wrong with how we have the project configured, I started my search on Google.
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Today, I finally announce the availability of my new book. SQL For .NET Programmers.
This book is based on the series of post I wrote in 2008. If those post have been valuable to you and you’d like to have them all in one place on your Kindle reader, pick up your copy today.
Last night, one of my clients assigned me a problem that I thought was going to require one solution, and in the end it was just poor programming. But the process reminded me of the need for good debugging skills. Just how do you know where the performance problem is?
Continue reading “Tracking Down Performance Issues in ASP.NET”