private void DeleteRegistrationBtn_Click(object sender, EventArgs e)
{
if (registrationListBox.SelectedIndex < 0)
{
MessageBox.Show("Please select a registration");
return;
}
Registration registration = (Registration)registrationListBox.SelectedItem;
string message = $"Are you sure you want to delete Customer #{registration.CustomerID}'s registration?";
DialogResult result = MessageBox.Show(text: message,
caption: "Delete?",
buttons: MessageBoxButtons.YesNo,
icon: MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
try
{
BookRegistrationDB.Delete(registration.CustomerID);
registrationListBox.Items.Remove(registration);
MessageBox.Show("Registration deleted");
}
catch (SqlException)
{
MessageBox.Show("We are having server issues. Try again later");
}
catch (Exception)
{
MessageBox.Show("No registrations were deleted");
}
}
}
