Aca la parte del codigo que tira error
Código Java:
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int Tot; int VV; if (CboUt.getSelectedIndex() == 0) { VV = Unita + (Unita * 10 / 100); Tot = VV * Can; BtnAgre.setEnabled(true); } else if (CboUt.getSelectedIndex() == 1) { VV = Unita + (Unita * 20 / 100); Tot = VV * Can; BtnAgre.setEnabled(true); } else if (CboUt.getSelectedIndex() == 2) { VV = Unita + (Unita * 30 / 100); Tot = VV * Can; BtnAgre.setEnabled(true); } else { VV = Unita + (Unita * 40 / 100); Tot = VV * Can; BtnAgre.setEnabled(true); } }
Aca el error en cuestion :
Código:
Me gustaria como solucionarlo . Muchas gracias . Exception in thread "AWT-EventQueue-0" java.lang.NumberFormatException: For input string: "" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) at java.lang.Integer.parseInt(Integer.java:592) at java.lang.Integer.parseInt(Integer.java:615) at Control.FormularioListaTablas.CboUtActionPerformed(FormularioListaTablas.java:221) at Control.FormularioListaTablas.access$700(FormularioListaTablas.java:5) at Control.FormularioListaTablas$8.actionPerformed(FormularioListaTablas.java:148) at javax.swing.JComboBox.fireActionEvent(JComboBox.java:1258) at javax.swing.JComboBox.contentsChanged(JComboBox.java:1332) at javax.swing.AbstractListModel.fireContentsChanged(AbstractListModel.java:118) at javax.swing.DefaultComboBoxModel.setSelectedItem(DefaultComboBoxModel.java:93) at javax.swing.DefaultComboBoxModel.addElement(DefaultComboBoxModel.java:131) at javax.swing.JComboBox.addItem(JComboBox.java:716) at Control.FormularioListaTablas.<init>(FormularioListaTablas.java:18) at Control.FormularioListaTablas$11.run(FormularioListaTablas.java:320) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:726) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)