Cannot Pass PropertyValues To Websecurity

Hello everyone, I just started working with ASP.NET, well, learning it, and I'm stuck at trying to pass PropertyValues to Websecurity.CreateUserAndAccount.
My code can be seen here on GitHub. (Line 42/43) No matter what I do I keep getting either Named argument specifications must appear after all fixed arguments have been specified. or
The column name is not valid. [ Node name (if any) = ,Column name = name ] errors. 

The idea behind the code was to create a simple register form. I was following certain TuTsPlus online tutorial. There's an empty SQL CE database (which according to the tutorial creates itself upon calling the Websecurity.CreateUserAndAccount method. It wodeked when I only passed username and password, not when trying to pass additional parameters.

I'm sincerely des ...