=== modified file 'dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/event/data/DefaultEventAnalyticsService.java'
--- dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/event/data/DefaultEventAnalyticsService.java	2015-03-12 11:03:32 +0000
+++ dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/event/data/DefaultEventAnalyticsService.java	2015-03-24 08:43:31 +0000
@@ -183,7 +183,7 @@
 
         if ( params.isCollapseDataDimensions() )
         {
-            grid.addHeader( new GridHeader( DimensionalObject.DATA_X_DIM_ID, DataQueryParams.DISPLAY_NAME_DATA_X, String.class.getName(), false, true ) );
+            grid.addHeader( new GridHeader( DimensionalObject.DATA_COLLAPSED_DIM_ID, DataQueryParams.DISPLAY_NAME_DATA_X, String.class.getName(), false, true ) );
         }
         else
         {