Off course not. This was not the type of meeting for that. However saying the wall can be built is step one. These media people are such buffoons.
The Mexican President called for increased investment, on the part of Mexico, in border infrastructure! He is going to pay for the wall. He just wants to get the best deal. :-)
Trumps is being polite. Trump was the guest. It is not polite to discus money at a social event, which this was. It was a “get to know your” type of social event. Trump can bring up the money part in another venue.