Andy Abboud, a senior aide to Adelson, said Cruz was initially invited to come up to visit the Adelsons, but when he failed to endorse Trump the invitation was rescinded.
"When he didn't endorse, they were stunned and disappointed," Abboud told CNN.
Donald Trump later stopped by Adelson's booth and Abboud tweeted this out:
The Adelson's with their choice for President! pic.twitter.com/gYsHBeT9AS— Andy Abboud (@AndyAbboud) July 21, 2016