hi,,,
i have this application that has a tab (box tab,voice tab , etc..), buttons , Jtable..
i also have an add button , whenever i click on the add button to add a user(this users info will be added to the JTable) but also a new tab(box) will be added , i don't want a new tab to be added to happen ,,
i don't know how to solve this error..
this is my code :