Please check my answer to question:

• InfoPath drop down field bound to the repeating section it is housed in

starting from the sentence:

"If you want the same list of choices you could have bound instead to external data source (like, for example, sharepoint list field)"

Please check my answer to question:

• InfoPath drop down field bound to the repeating section it is housed in

starting from the sentence:

"If you want the same list of choices you could have bound instead to external data source (like, for example, sharepoint list field)"