public override bool saveChanges()
{
if (txtName.Text.Trim() == "")
{
MessageBox.Show("Please enter guest's name.");
return false;
}
try
{
GuestHelper client = new GuestHelper();
if (selectedIndex == -1)
{
Guest g = new Guest();
g.Name = txtName.Text;
g.Description = txtDescription.Text;
g.Contact = txtContact.Text;
g.GuestId = client.AddGuest(user, eventDay_.DayID, g.Name, g.Contact, g.Description);
guestList.Add(g);
CollectionViewSource.GetDefaultView(lstGuestList.ItemsSource).Refresh();
clearAll();
}
else
{
Guest g = guestList[selectedIndex];
g.Name = txtName.Text;
g.Description = txtDescription.Text;
g.Contact = txtContact.Text;
client.EditGuest(user, g.GuestId, g.Name, g.Description, g.Contact);
guestList[selectedIndex] = g;
CollectionViewSource.GetDefaultView(lstGuestList.ItemsSource).Refresh();
changed = false;
clearAll();
}
client.Close();
MessageBox.Show("Operation succeeded!");
return true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return false;
}
}
private void loadGuests()
{
GuestHelper client = new GuestHelper();
txtGuestMsg.Text = "There are a total of " + client.ViewGuest(eventday_.DayID).ToList<Guest>().Count + " guest(s) ";
client.Close();
}
private void loadGuest()
{
lstGuest.Items.Clear();
GuestHelper client = new GuestHelper();
List<int> countList = client.GetEventGuestCount(event_.EventID).ToList<int>();
client.Close();
for (int i = 0; i < countList.Count; i++)
{
string tempResult = DayList[i].StartDateTime.ToShortDateString() + "\t\t-\t" + countList[i] + " guest(s)";
lstGuest.Items.Add(tempResult);
}
}
private void btnDelete_Click(object sender, RoutedEventArgs e)
{
if (lstGuestList.SelectedIndex == -1)
return;
GuestHelper client = new GuestHelper();
try
{
client.DeleteGuest(user, (int)lstGuestList.SelectedValue);
MessageBox.Show("Operation succeeded!");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
client.Close();
}
loadGuests();
}
private void loadGuests()
{
GuestHelper client = new GuestHelper();
try
{
guestList = client.ViewGuest(eventDay_.DayID).ToList<Guest>();
lstGuestList.ItemsSource = guestList;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
client.Close();
}
clearAll();
}
