InfoPath Dev

Hi All I found to solution to this, if anybody is having similar issue take a look at the below link  http://www.bizsupportonline.net/infopath2007/display-message-box-when-item-does-not-exist-in-combo-box.htm Thanks  

Hi All I'm relatively new to InfoPath 2013 and am using it to validate master data users are entering prior to upload to our system via Sharepoint. I need users to be able to copy and paste data into a combo box comprised of a sharepoint list and have that data validated against the list that makes up the combo box i.e. my users are ...