InfoPath Dev

Dear Guys, I have made a form by InfoPath 2013 andset some rules on some of the fields to get some data from Sharepoint Lists. Now, when I published it on Sharepoint Online. The Rules are not working and the data which were supposed to come from a SharePoint List is now has a "NaN" Result! Anybody have any Idea? Regards, Iman

 Dear Smart Guys! I have an Infopath form with: a YES/NO bottom, a product name TEXT BOX (PRODUCT 1), a Quantity textbox, and a Price textbox in every row. at the end, I have a Total Price as well. Actually, this is a Spec for project and it shows that which product is included in the contract and which is not. I want to write code for the ...