This.Columns[3].Header1.Caption = 'Turno' This.Columns[3].ControlSource = 'TurnosHorario.idTur' This.Columns[3].Width = 120 This.Columns[3].CurrentControl = 'cboTurnos' This.Columns[3].Sparse = .T. This.Columns[3].cboTurnos.RowSourceType = 2 && Alias This.Columns[3].cboTurnos.RowSource = 'Turnos' && Alias This.Columns[3].cboTurnos.BoundTo = .T. This.Columns[3].cboTurnos.BoundColumn = 2The problem is that the comboboxes appear empty and when I change one they all change, which makes me questions whether comboboxes are possible at all inside a grid.