private void BindNonAdminsComboBox(ComboBox comboBox)
{
DataSet nonAdminsDS = UserAccountManager.GetNonAdminsDataSet();
comboBox.ItemsSource = nonAdminsDS.Tables[0].DefaultView;
comboBox.DisplayMemberPath = nonAdminsDS.Tables[0].Columns["login"].ToString();
comboBox.SelectedValuePath = nonAdminsDS.Tables[0].Columns["id"].ToString();
}