private void dataContractTab_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (comboBoxContractByNanny.SelectedIndex == -1)
{
comboBoxContractByNanny.ItemsSource = bl.getAllNanny();
comboBoxContractByNanny.DisplayMemberPath = "fullName";
comboBoxContractByNanny.SelectedValuePath = "IdMom";
comboBoxContractByNanny.SelectedIndex = -1;
}
if (comboBoxContractByMom.SelectedIndex == -1)
{
comboBoxContractByMom.ItemsSource = bl.getAllMothers();
comboBoxContractByMom.DisplayMemberPath = "fullName";
comboBoxContractByMom.SelectedValuePath = "IdMom";
comboBoxContractByMom.SelectedIndex = -1;
}
}