private void bRefreshGrids_Click(object sender, RoutedEventArgs e)//Refresh GRids
 {
     AUAnalysisCommandBase auacb = new AUAnalysisCommandBase();
     auacb.RefreshBothGrids();//16Jul2015 refrehs both grid on clicking 'refresh' icon
 }
 protected override void OnExecute(object param)
 {
     AUAnalysisCommandBase auacb = new AUAnalysisCommandBase();
     auacb.RefreshGrids();
 }