diff --git a/src/ExercicesTP/IHM/IHMRechercheEtudiant.java b/src/ExercicesTP/IHM/IHMRechercheEtudiant.java
index 9ebad30..1874dab 100644
--- a/src/ExercicesTP/IHM/IHMRechercheEtudiant.java
+++ b/src/ExercicesTP/IHM/IHMRechercheEtudiant.java
@@ -64,6 +64,9 @@ private void initializeComponents() {
         model = new TableModelEtudiant(dao.selection(rq), dao);
         jt_Etudiant.setModel(model);
         sp = new JScrollPane(jt_Etudiant);
+        rechercheButton.setEnabled(false);
+        modifierButton.setEnabled(false);
+        supprimerButton.setEnabled(false);
 
     }
 
@@ -186,6 +189,13 @@ private void addEventListeners() {
             JOptionPane.showMessageDialog(this, "Etudiant supprimé");
             clearInputs();
         });
+        numEtdField.addKeyListener(new java.awt.event.KeyAdapter() {
+            public void keyReleased(java.awt.event.KeyEvent evt) {
+                rechercheButton.setEnabled(!numEtdField.getText().isEmpty());
+                supprimerButton.setEnabled(!numEtdField.getText().isEmpty());
+                modifierButton.setEnabled(!numEtdField.getText().isEmpty());
+            }
+        });
 
     }