InfoPath Dev

Hi I have a multi-selection list box with 6 items.  If #4 is selected is it possible to unselect #5 and vice versa (5 unselects 4)?  Thank you!

Hi, Is it possible to set up Excel so that, for example, clicking a command button can set up an InfoPath form with data from the workbook and send it to a SharePoint list?  Like sending an email but an InfoPath form instead so that SharePoint list can be updated.  Thank you. (What I want to do is send data from an Excel workbook that ...

I'm used to combo boxes in Access and Excel where you can bind a particular column as the results but look at a different column to make your choice (like you see the client name, but you are actually selecting the client ID when you make your choice).  It would appear that this is not possible in InfoPath.  What I want to do is have ...