SUMMARY: Never use fields in the GROUP BY that aren't part of the grouping. Read on...

I have spent TWO(2) DAYS on this stupid error: An exception of type System.Security.Principal.IdentityNotMappedException was thrown. Additional exception information: Some or all identity reference…

I've hit the same problem again. I've already wrote 2 posts about the error "Exception Details: System.InvalidOperationException: ObjectDataSource 'ods' could not find a non\-generic method 'Update…

I wanted to give my take on developer metrics. I’ve read some posts by a few people out there (here, here, here, and here) that suggest that developer specific metrics do more harm than good. The f…

So those of you who have Vista will be well aware of the sidebar, some may love it, some may not see the point! Personally I like it; I think from a developer’s perspective it opens some great poss…

I don't know about you, but I have always felt that Microsoft did a huge injustice to the development community by leaving the Static Code Analysis capability out of Visual Studio 2005 Professional…

I thought I understand ViewState, until I came cross this exception:

You cannot use get-credential without some type of prompt (although you can do it without the pop-up dialog), however you can save your securestring password to a file, reload it for later, and man…

I had someone ask today how to format a date in xslt 1.0. I thought it was worth posting the answer I gave. I hope you find it useful. It's amazing how many lines of code it takes for this, but it'…

For sometime now I have been working on a few papers on the subject of SOA. This is the first, my definitive definition of what is SOA Governance.

My post is a little late in coming, but I wanted to note that MS AJAX was recently released. Thanks to Scott Guthrie and the entire ASP.Net team for getting this out. I am certain I will be writing…

I was asked to be one of the folks answering questions at the big Phoenix "Ready for a New Day" launch event. Definitely a fun experience, and pretty well attended. A common question that came up i…

Asp.net 2.0 has been released, but Asp.net still does not have any built-in support for passing querystring in encrypted text. The following class will give you the support to pass querystring in e…

Some zero cost resources for asp.net develpers. source: http://www.code-magazine.com/article.aspx?quickid=0411041&page=1

Recently I was trying to set an iframe height which is hosted in another domain. But could not able to get its height from its hosting window - It always throws security exception. I searched Googl…

If you’re on the plane or bus and somebody won’t leave you alone:

A request of IT and computer science professionals.......

Well... I'm betting some of you know some of them, but chances are none of you knew all of them until now.

I wanted to take a few minutes to talk about the project management / tracking / estimation methods I use. Over time the processes and tools I use have changed quite a bit, but the way I've been do…

You may see this error - more than once - when working with your Microsoft Office SharePoint Server (MOSS) 2007 deployment. This animal / error generally shows itself after you have applied an upgr…