/// <summary> /// Adds the selected configurations to the current device. /// </summary> private void AddConfigurations() { var currentIds = EditObject.Configuraciones.OfType <ConfiguracionDispositivo>().Select(config => config.Id).ToList(); var ids = ddlConfiguracion.SelectedValues.Where(selected => !selected.Equals(0)).ToList(); foreach (var id in ids.Where(id => !currentIds.Contains(id))) { EditObject.AddConfiguration(DAOFactory.ConfiguracionDispositivoDAO.FindById(id)); } foreach (var id in currentIds.Where(id => !ids.Contains(id)).ToList()) { EditObject.DeleteConfiguration(DAOFactory.ConfiguracionDispositivoDAO.FindById(id)); } }