private void lstParticipants_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lstParticipants.SelectedIndex == -1)
{
btnDelete.IsEnabled = false;
dgParticipant.ItemsSource = null;
return;
}
RegistrationHelper client = new RegistrationHelper();
try
{
List<FieldAnswer> fieldAnswers = client.GetParticipantFieldAnswer(user, event_.EventID, (int)lstParticipants.SelectedValue).ToList();
List<Field> fields = client.ViewField(event_.EventID).ToList();
List<Tuple<Field, FieldAnswer>> answers = new List<Tuple<Field, FieldAnswer>>();
foreach (Field field in fields)
{
FieldAnswer fieldAnswer = fieldAnswers.Find(
delegate(FieldAnswer fa)
{
return fa.FieldID == field.FieldID;
}
);
if (fieldAnswer != null)
{
field.FieldName += ":";
answers.Add(Tuple.Create(field, fieldAnswer));
}
}
cboPaid.Checked -= cboPaid_Checked;
cboPaid.Unchecked -= cboPaid_Unchecked;
ParticipantWithName p = (ParticipantWithName)lstParticipants.SelectedItem;
cboPaid.IsChecked = p.participant.Paid;
cboPaid.Checked += cboPaid_Checked;
cboPaid.Unchecked += cboPaid_Unchecked;
dgParticipant.ItemsSource = answers;
btnDelete.IsEnabled = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
client.Close();
}
}