DataGridView.UserDeletingRow Événement

public:
 event System::Windows::Forms::DataGridViewRowCancelEventHandler ^ UserDeletingRow;

public event System.Windows.Forms.DataGridViewRowCancelEventHandler UserDeletingRow;

public event System.Windows.Forms.DataGridViewRowCancelEventHandler? UserDeletingRow;

member this.UserDeletingRow : System.Windows.Forms.DataGridViewRowCancelEventHandler 

Public Custom Event UserDeletingRow As DataGridViewRowCancelEventHandler 

Type d'événement

Exemples

L’exemple de code suivant montre comment utiliser l’événement UserDeletingRow pour annuler la suppression des lignes du si la ligne de DataGridView solde de départ est incluse dans la sélection. Cet exemple fait partie d’un exemple plus grand disponible dans l’événement SelectionChanged .

private void DataGridView1_UserDeletingRow(object sender,
    DataGridViewRowCancelEventArgs e)
{
    DataGridViewRow startingBalanceRow = DataGridView1.Rows[0];

    // Check if the Starting Balance row is included in the selected rows
    if (DataGridView1.SelectedRows.Contains(startingBalanceRow))
    {
        // Do not allow the user to delete the Starting Balance row.
        MessageBox.Show("Cannot delete Starting Balance row!");

        // Cancel the deletion if the Starting Balance row is included.
        e.Cancel = true;
    }
}

Private Sub UserDeletingRow(ByVal sender As Object, _
    ByVal e As DataGridViewRowCancelEventArgs) _
    Handles DataGridView1.UserDeletingRow

    Dim startingBalanceRow As DataGridViewRow = DataGridView1.Rows(0)

    ' Check if the starting balance row is included in the selected rows
    If DataGridView1.SelectedRows.Contains(startingBalanceRow) Then
        ' Do not allow the user to delete the Starting Balance row.
        MessageBox.Show("Cannot delete Starting Balance row!")

        ' Cancel the deletion if the Starting Balance row is included.
        e.Cancel = True
    End If
End Sub

Remarques

Cet événement peut être annulé pour empêcher la suppression d’une ligne.

Pour plus d’informations sur la façon de gérer les événements, consultez gestion et déclenchement d’événements.

S’applique à

Voir aussi

• DataGridView, contrôle (Windows Forms)