Really !!!
Guys, please communicate within your team or company. This is the 3rd ticket on the same item.
If you double click the button, in the properties window, under events select the option "call nanoflow" and select the nanoflow that you created.
Also make sure your button does not have “Inverse” style.
IMHO, you must really go through the Rapid application development course so could avoid asking the basic questions in the forum.