Hi all you, guys! here we have a funny question for all you, Data get from a DB is not shown in a JList implemented as: JScrollPane jScrollPane8 = new JScrollPane(); jPanel1.add(jScrollPane8, null); JList ListaProveedores = new JList(); jScrollPane8.getViewport().add(JListProv, null); After having added all data to it, the JList doesn`t show no one. Doing a test as: for(int i = 0; i < ListaProveedores.getModel().getSize(); i++) { System.out.println(ListaProveedores.getModel().getElementAt(i)); } shows us th   More>>