private void ImportButton_OnClick(object sender, RoutedEventArgs e)
 {
     InternalImport.GetInstance().ImportMaster();
 }
 private void BtnImportInternalAll_OnClick(object sender, RoutedEventArgs e)
 {
     InternalImport.GetInstance().ImportAll();
 }
 private void btnImportInternalMaster_Click(object sender, RoutedEventArgs e)
 {
     InternalImport.GetInstance().ImportMaster();
 }
 private void btnImportInternalForecast_Click(object sender, RoutedEventArgs e)
 {
     InternalImport.GetInstance().ImportSalesForecast();
 }