Private Sub TextBox6_KeyUp(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles TextBox6.KeyUp
        If e.KeyCode = Keys.Back Then
            IPosNaz = Me.TextBox6.TextLength + 1
            If Me.TextBox6.TextLength = 0 Then
                IPosNaz = 1
            End If
        Else
            If e.KeyCode = Keys.Delete Then
                IPosNaz = Me.TextBox6.TextLength + 1
                If Me.TextBox6.TextLength = 0 Then
                    IPosNaz = 1
                End If
            Else
                If e.KeyValue = Keys.Left Then
                    IPosNaz = Me.TextBox6.TextLength - 1
                Else
                    If e.KeyValue = Keys.Right Then
                        IPosNaz = Me.TextBox6.TextLength - 1
                    Else
                        If Me.TextBox6.Text = String.Empty Then
                            Exit Sub
                        Else
                          ObjNazione.Nazione = Me.textbox6.Text
                          oNazione = Read_record_Naz.CaricaRec(ObjNazione)
                          If IsNothing(oNazione.Nazione) = False Then
                              Me.TextBox6.Text = oNazione.Nazione
                              Me.Label11.Text = oNazione.CodNazione
                              Me.TextBox6.SelectionStart = IPosNaz
                              Me.TextBox6.SelectionLength = Me.TextBox6.TextLength
                           If Me.TextBox6.TextLength > Me.TextBox6.SelectionLength Then
                              IPosNaz = (Me.TextBox6.TextLength - Me.TextBox6.SelectionLength) + 1
                           End If
                          End If
                        End If
                    End If
                End If
            End If
        End If
    End Sub