private void cboObject_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
DataSet dataSet = OSAESql.RunSQL("select property_name from osae_v_object_property where object_name='" + (sender as ComboBox).SelectedValue.ToString() + "' Union select 'State' order by property_name");
cboProperty.ItemsSource = dataSet.Tables[0].DefaultView;
lblProperty.IsEnabled = true;
cboProperty.IsEnabled = true;
}