// Populate form with existing data
private void populateData()
{
// Obtain dictionary of appointment information
selectedAppointment = DataInterface.getAppointmentInfo(MainForm.selectedAppointmentID);
// Populate customer ComboBox
DataInterface.populateComboBox(appointmentCustomerComboBox);
// Obtain data from form needed to update appointment
appointmentIDTextBox.Text = selectedAppointment["ID"];
appointmentCustomerComboBox.SelectedValue = Convert.ToInt32(selectedAppointment["customerID"]);
appointmentTitleTextBox.Text = selectedAppointment["Title"];
appointmentLocationTextBox.Text = selectedAppointment["Location"];
appointmentContactTextBox.Text = selectedAppointment["Contact"];
appointmentURLTextBox.Text = selectedAppointment["URL"];
appointmentStartDate.Value = DateTime.Parse(selectedAppointment["Start"]);
appointmentEndDate.Value = DateTime.Parse(selectedAppointment["End"]);
appointmentDescriptionTextBox.Text = selectedAppointment["Description"];
}
// Form constructor
public AddAppointmentForm()
{
InitializeComponent();
// Populate ComboBox with customers
DataInterface.populateComboBox(appointmentCustomerComboBox);
}