InfoPath Dev

Hi Alec, Could you help me by maybe filling in the blanks for me....I'm a rookie at all of this just trying stuff as I go.  Unfortunately not a lot of it makes sense to me: so per your suggestion I should have the following? concat(translate(substring-before(DisplayName," "))) - which is to get the last name...and then a ...

This is awesome....and I was really excited to get it working on my form...all the way up until I previewed my form.  My scenario is similar however not exactly like yours. Could you possible shed some light on what I might need to do .  Here's the scoop: I have a contact selector control and two hidden txt fields on my form.  ...