the_url.Complete = ".component:DB/DataSourceBrowser";
getting = aProv.queryDispatch(the_url, "_beamer", 12);
//am controller ein XSelectionSupplier->mit params rufen
PropertyValue[] noArgs = new PropertyValue[0];
getting.dispatch(the_url, noArgs);
PropertyValue[] params = new PropertyValue[3];
PropertyValue param1 = new PropertyValue();
param1.Name = "DataSourceName";
param1.Value = "Bibliography";