private void DeleteExperimentsBeforeDateTimePB_Click(object sender, RoutedEventArgs e)
{
ObservableCollection <ExperimentContainer> experiments;
bool success = m_db.GetAllExperimentsBeforeDateTime(m_vm.datetime1, out experiments);
MessageBoxResult result = MessageBox.Show("Delete " + experiments.Count.ToString() + " Experiments?", "Delete Experiments", MessageBoxButton.YesNo, MessageBoxImage.Question);
if (result == MessageBoxResult.Yes)
{
success = m_db.DeleteAllExperimentsBefore(m_vm.datetime1);
if (!success)
{
string errMsg = m_db.GetLastErrorMsg();
MessageBox.Show("Failed to Delete Experiments: " + errMsg);
}
}
}