InfoPath Dev

Hello, I'm so close to getting this working but have 1 problem I can't quite figure out. In a nutshell I have a requirement to summarize the budget codes and amounts used on a request. I've followed Hillary's guidance in this post (http://www.infopathdev.com/forums/p/20829/72142.aspx) to wire everything up needed to get a "group by"-like summary of data entered in a nested repeating section. In the summary view I can't figure out how to hide the duplicate Budget Code rows. I've attached a sample of my form to help explain the issue. When you add another row in the 'lines' section you'll notice that the redundant budget code rows don't hide so it shows 2 rows with the same budget code (but the total is correctly calculated - thanks Hillary!). Any help would be GREATLY appreciated! Thanks!

I didn't realize I could only attach 1 image per post - here's the screenshot...

 Try this one - I added another condition on your summary table.

Thanks Hillary that's exactly what I needed!! For anyone interested, the 2 expressions that made this work properly were: -my:budgetCode = preceding-sibling::my:budgetCodes/my:budgetCode -my:budgetCode = ../preceding-sibling::my:lines/my:budgetCodes/my:budgetCode

You may want to try using a rule which re-calculates the links whenever the drop-down field changes. Please check if this approach would work for you, if not, kindly attach a sample of your form so we could investigate further.