InfoPath Dev

I have a form that has a section but I have now decided that I should have created a repeating section so users could fill out multiple records before submitting them. I tried changing my main section to a repeating section but everything disappears. I think that’s what I should have done to start with...

i have database in ms. sql server 2005. and then in infopath i have a form that send data to the SQL server and stores. everything is fine here. my question is... how do i have a repeating table in another repeating table which in total is another repeating... example below should explain There is...