=== modified file 'dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/event/data/JdbcEventAnalyticsManager.java'
--- dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/event/data/JdbcEventAnalyticsManager.java	2014-03-27 11:39:40 +0000
+++ dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/event/data/JdbcEventAnalyticsManager.java	2014-04-03 08:36:50 +0000
@@ -52,7 +52,6 @@
 import org.hisp.dhis.jdbc.StatementBuilder;
 import org.hisp.dhis.organisationunit.OrganisationUnit;
 import org.hisp.dhis.program.Program;
-import org.hisp.dhis.system.grid.ListGrid;
 import org.hisp.dhis.system.util.TextUtils;
 import org.hisp.dhis.system.util.Timer;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -133,7 +132,7 @@
 
         try
         {
-            grid.addRows( getAggregatedEventData( params, sql ) );
+            getAggregatedEventData( grid, params, sql );
         }
         catch ( BadSqlGrammarException ex )
         {
@@ -143,12 +142,10 @@
         return grid;
     }
     
-    private Grid getAggregatedEventData( EventQueryParams params, String sql )
+    private void getAggregatedEventData( Grid grid, EventQueryParams params, String sql )
     {
         Timer t = new Timer().start();
-        
-        Grid grid = new ListGrid();
-        
+                
         SqlRowSet rowSet = jdbcTemplate.queryForRowSet( sql );
 
         t.getTime( "Analytics event aggregate SQL: " + sql );
@@ -173,8 +170,6 @@
             
             grid.addValue( value );
         }
-
-        return grid;
     }
     
     public Grid getEvents( EventQueryParams params, Grid grid )
@@ -225,26 +220,24 @@
         // Grid
         // ---------------------------------------------------------------------
 
+        try
+        {
+            getEvents( grid, params, sql );
+        }
+        catch ( BadSqlGrammarException ex )
+        {
+            log.info( QUERY_ERR_MSG, ex );
+        }
+        
+        return grid;
+    }
+
+    private void getEvents( Grid grid, EventQueryParams params, String sql )
+    {
+        Timer t = new Timer().start();
+
         int rowLength = grid.getHeaders().size();
 
-        try
-        {
-            grid.addRows( getEvents( params, sql, rowLength ) );
-        }
-        catch ( BadSqlGrammarException ex )
-        {
-            log.info( QUERY_ERR_MSG, ex );
-        }
-        
-        return grid;
-    }
-
-    private Grid getEvents( EventQueryParams params, String sql, int rowLength )
-    {
-        Timer t = new Timer().start();
-
-        Grid grid = new ListGrid();
-        
         SqlRowSet rowSet = jdbcTemplate.queryForRowSet( sql );
 
         t.getTime( "Analytics event query SQL: " + sql );
@@ -260,8 +253,6 @@
                 grid.addValue( rowSet.getString( index ) );
             }
         }
-        
-        return grid;
     }
     
     public int getEventCount( EventQueryParams params )