private void ControleDeelnemer(object sender, RoutedEventArgs e)
{
bool veldenOk = true;
int huisNr;
if (txtCity.Text.Trim(" -".ToArray()) == "")
{
veldenOk = false;
}
else if (txtFirstName.Text.Trim(" -".ToArray()) == "")
{
veldenOk = false;
}
else if (txtLastName.Text.Trim(" -".ToArray()) == "")
{
veldenOk = false;
}
else if (txtPostalCode.Text.Trim(" -".ToArray()) == "")
{
veldenOk = false;
}
else if (txtStreet.Text == "")
{
veldenOk = false;
}
else if (int.TryParse(txtStreetNumber.Text.ToString(), out huisNr) == false)
{
veldenOk = false;
}
else if (beheerControls.CheckEmailAdres(txtEmail.Text.ToString()) == false)
{
veldenOk = false;
}
if (veldenOk)
{
EnableDisableButtons(true);
}
else
{
btnSave.IsEnabled = false;
}
}