I’ll be honest that this did happen to me, and thankfully the MSDN straightened me out. For those of us who normally program for winforms, sometimes the switch to an ASP.NET project can prove to be a whole new world. For instance, I was working on a straightforward single page in ASP.NET 1.1 so that members of the same project could gather some information easily. The form itself had one field, and I wanted to ensure that the field was a number only. I added a RegularExpressionValidator and pointed...