Tema: Error Exception in thread "AWT-EventQueue-0" java.lang.NumberFormatException: For inp
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Antiguo 22/10/2015, 20:02
gold33
 
Fecha de Ingreso: octubre-2015
Mensajes: 1
Antigüedad: 8 años, 6 meses
Puntos: 0
Pregunta Error Exception in thread "AWT-EventQueue-0" java.lang.NumberFormatException: For inp
Hola Mi programa es una tabla que tiene que agregar datos pero al iniciarlo tira un error .

Aca la parte del codigo que tira error

Código Java: 
Ver original
  1. private void CboUtActionPerformed(java.awt.event.ActionEvent evt) {                                      
  2.         int Unita = Integer.parseInt(TxtUni.getText());
  3.         int Can = Integer.parseInt(TxtCan.getText());
  4.         int Tot;
  5.         int VV;
  6.         if (CboUt.getSelectedIndex() == 0) {
  7.  
  8.             VV = Unita + (Unita * 10 / 100);
  9.             Tot = VV * Can;
  10.             LblVt.setText(String.valueOf(VV));
  11.             LblTo.setText(String.valueOf(Tot));
  12.             BtnAgre.setEnabled(true);
  13.         } else if (CboUt.getSelectedIndex() == 1) {
  14.             VV = Unita + (Unita * 20 / 100);
  15.             Tot = VV * Can;
  16.             LblVt.setText(String.valueOf(VV));
  17.             LblTo.setText(String.valueOf(Tot));
  18.             BtnAgre.setEnabled(true);
  19.         } else if (CboUt.getSelectedIndex() == 2) {
  20.             VV = Unita + (Unita * 30 / 100);
  21.             Tot = VV * Can;
  22.             LblVt.setText(String.valueOf(VV));
  23.             LblTo.setText(String.valueOf(Tot));
  24.             BtnAgre.setEnabled(true);
  25.         } else {
  26.             VV = Unita + (Unita * 40 / 100);
  27.             Tot = VV * Can;
  28.             LblVt.setText(String.valueOf(VV));
  29.             LblTo.setText(String.valueOf(Tot));
  30.             BtnAgre.setEnabled(true);
  31.         }
  32.     }

Aca el error en cuestion :

Código: 
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)
Me gustaria como solucionarlo . Muchas gracias .