InfoPath Dev

Not sure if this can be done but after you complete a form. Lets say you have a drop down list, and it has some values. Can we, overtime, have the data that users input be integrated in to that form so that lets say we are choosing from a field called Vendors which I currently placed only 2 options,...

I'm getting error/exception from setting default value for dropdown list. Here is what I'm doing....... I have a dropdown box that is populated from repeating node values in the form. //***This is to create values for the repeating node. string myNameSpace = NamespaceManager.LookupNamespace(...