InfoPath Dev

i resolved my problem by changing the class declaration in the web service.  i initially had a class with a reference to an array of tracts - a class containing a string variable.  i changed the class to reference an array of strings.  can't say i understand why my first option doesn't work - it's a repeating section ...

i've created a web service for posting data to db - the ws is used as the main datasource.  i can create a form using this ws and post data with no issues.  when i add a secondary datasource (query only) for combo box lookup, form works fine.  when i add the second secondary datasource, i get the error "infopath cannot open ...

I'd like to use infopath to collect information from machines which are not connected to our corporate network.  These machines will be using sql express (2005) and infopath 2007.  I'd like to capture the machine name when a form is opened and change the data connection to point to the instance of sql on ...