InfoPath Dev

 Hi Hilary,  Thanks for the reply.  I'm using InfoPath 2010. I did declare the secondary data source, but currently it displays all 400-some rows.  I went to try to filter (right click, table properties, display, filter) by the value in the initial drop-down, but for some reason everything is greyed out.  ...

 Hi all,  I'm stuck on something I thought was simple but after quite a bit of Googling, I'm still stuck. Essentially: The InfoPath form is connected to a SharePoint list which just mirrors an Excel spreadsheet.  When I select an item in a drop-down (e.g. an Application Name), I want a read-only textbox/textarea below it ...