=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/dataelement/hibernate/HibernateDataElementStore.java'
--- dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/dataelement/hibernate/HibernateDataElementStore.java	2011-01-13 10:50:02 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/dataelement/hibernate/HibernateDataElementStore.java	2011-02-14 04:01:17 +0000
@@ -288,6 +288,7 @@
 
         Criteria criteria = session.createCriteria( DataElement.class );
         criteria.add( Restrictions.eq( "zeroIsSignificant", zeroIsSignificant ) );
+        criteria.add( Restrictions.eq( "type", DataElement.VALUE_TYPE_INT ) );
 
         return criteria.list();
     }

=== modified file 'dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/java/org/hisp/dhis/dd/action/dataelement/AddDataElementAction.java'
--- dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/java/org/hisp/dhis/dd/action/dataelement/AddDataElementAction.java	2011-02-01 08:11:57 +0000
+++ dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/java/org/hisp/dhis/dd/action/dataelement/AddDataElementAction.java	2011-02-14 04:01:17 +0000
@@ -189,6 +189,13 @@
         this.selectedCategoryComboId = selectedCategoryComboId;
     }
 
+    private Boolean zeroIsSignificant;
+
+    public void setZeroIsSignificant( Boolean zeroIsSignificant )
+    {
+        this.zeroIsSignificant = zeroIsSignificant;
+    }
+
     // -------------------------------------------------------------------------
     // Action implementation
     // -------------------------------------------------------------------------
@@ -289,6 +296,8 @@
         dataElement.setCategoryCombo( categoryCombo );
         dataElement.setAggregationLevels( new ArrayList<Integer>( ConversionUtils
             .getIntegerCollection( aggregationLevels ) ) );
+        
+        dataElement.setZeroIsSignificant( zeroIsSignificant );
 
         dataElementService.addDataElement( dataElement );
 

=== modified file 'dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/java/org/hisp/dhis/dd/action/dataelement/UpdateDataElementAction.java'
--- dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/java/org/hisp/dhis/dd/action/dataelement/UpdateDataElementAction.java	2011-02-01 08:11:57 +0000
+++ dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/java/org/hisp/dhis/dd/action/dataelement/UpdateDataElementAction.java	2011-02-14 04:01:17 +0000
@@ -202,6 +202,13 @@
         this.selectedCategoryComboId = selectedCategoryComboId;
     }
 
+    private Boolean zeroIsSignificant;
+
+    public void setZeroIsSignificant( Boolean zeroIsSignificant )
+    {
+        this.zeroIsSignificant = zeroIsSignificant;
+    }
+
     // -------------------------------------------------------------------------
     // Action implementation
     // -------------------------------------------------------------------------
@@ -250,6 +257,8 @@
         dataElement.setCategoryCombo( categoryCombo );
         dataElement.setAggregationLevels( new ArrayList<Integer>( ConversionUtils
             .getIntegerCollection( aggregationLevels ) ) );
+        dataElement.setZeroIsSignificant( zeroIsSignificant );
+        
 
         // ---------------------------------------------------------------------
         // Calculated data element
@@ -301,7 +310,7 @@
         Set<DataSet> dataSets = dataElement.getDataSets();
         for ( DataSet dataSet : dataSets )
         {
-            if ( dataSet.getMobile() != null && dataSet.getMobile())
+            if ( dataSet.getMobile() != null && dataSet.getMobile() )
             {
                 dataSet.setVersion( dataSet.getVersion() + 1 );
                 dataSetService.updateDataSet( dataSet );

=== modified file 'dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/resources/org/hisp/dhis/dd/i18n_module.properties'
--- dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/resources/org/hisp/dhis/dd/i18n_module.properties	2010-12-10 07:45:59 +0000
+++ dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/resources/org/hisp/dhis/dd/i18n_module.properties	2011-02-14 04:01:17 +0000
@@ -349,4 +349,5 @@
 positiveNumber									= Positive Number
 negativeNumber									= Negative Number
 view_1											= View 1
-view_2											= View 2
\ No newline at end of file
+view_2											= View 2
+store_zero_data_values							= Store Zero Data Value
\ No newline at end of file

=== modified file 'dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/resources/org/hisp/dhis/dd/i18n_module_vi_VN.properties'
--- dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/resources/org/hisp/dhis/dd/i18n_module_vi_VN.properties	2010-12-09 06:15:40 +0000
+++ dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/resources/org/hisp/dhis/dd/i18n_module_vi_VN.properties	2011-02-14 04:01:17 +0000
@@ -114,4 +114,5 @@
 saving_concept_failed                           = Qu\u00e1 tr\u00ecnh l\u01b0u concept th\u1ea5t b\u1ea1i
 regex_add_edit_concept                          = Ch\u1ec9 nh\u1eadp c\u00e1c k\u00fd t\u1ef1 Alphabet (a-z A-Z), S\u1ed1 (0-9) v\u00e0 D\u1ea5u g\u1ea1ch d\u01b0\u1edbi (_)
 data_element_category_concept                   = Data Element Category Concept
-intro_data_element_category_concept             = T\u1ea1o m\u1edbi, ch\u1ec9nh s\u1eeda, xem v\u00e0 x\u00f3a Concept. M\u1ed9t Concept c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi Category.
\ No newline at end of file
+intro_data_element_category_concept             = T\u1ea1o m\u1edbi, ch\u1ec9nh s\u1eeda, xem v\u00e0 x\u00f3a Concept. M\u1ed9t Concept c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi Category.
+store_zero_data_values							= L\u01b0u gi\u00e1 tr\u1ecb 0
\ No newline at end of file

=== modified file 'dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/webapp/dhis-web-maintenance-datadictionary/addDataElementForm.vm'
--- dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/webapp/dhis-web-maintenance-datadictionary/addDataElementForm.vm	2011-02-01 08:11:57 +0000
+++ dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/webapp/dhis-web-maintenance-datadictionary/addDataElementForm.vm	2011-02-14 04:01:17 +0000
@@ -78,6 +78,16 @@
 			</select>
  		</td>
  	</tr>
+	<tr>
+		<td><label for="zeroIsSignificant ">$i18n.getString( "store_zero_data_values" )</label></td>
+		<td>
+			<select id="zeroIsSignificant" name="zeroIsSignificant" style="min-width:20em">
+				<option value="" selected=selected>$i18n.getString( "select" )</option>				
+				<option value="true" >$i18n.getString( "yes" )</option>				
+				<option value="false">$i18n.getString( "no" )</option>
+			</select>
+ 		</td>
+ 	</tr>
 	<tr id="aggregationOperator">
 		<td><label for="aggregationOperator">$i18n.getString( "aggregation_operator" ) <em title="$i18n.getString( 'required' )" class="required">*</em></label></td>
 		<td>

=== modified file 'dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/webapp/dhis-web-maintenance-datadictionary/javascript/dataElement.js'
--- dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/webapp/dhis-web-maintenance-datadictionary/javascript/dataElement.js	2010-12-06 05:46:01 +0000
+++ dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/webapp/dhis-web-maintenance-datadictionary/javascript/dataElement.js	2011-02-14 04:01:17 +0000
@@ -2,8 +2,10 @@
 {
 	if( value == 'int' ){
 		enable( 'calculated' );
+		enable( 'zeroIsSignificant' );
 	}else{
 		disable( 'calculated' );		
+		disable( 'zeroIsSignificant' );		
 	}	
 	
 	updateAggreationOperation( value );

=== modified file 'dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/webapp/dhis-web-maintenance-datadictionary/updateDataElementForm.vm'
--- dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/webapp/dhis-web-maintenance-datadictionary/updateDataElementForm.vm	2011-02-01 08:11:57 +0000
+++ dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-datadictionary/src/main/webapp/dhis-web-maintenance-datadictionary/updateDataElementForm.vm	2011-02-14 04:01:17 +0000
@@ -100,6 +100,23 @@
  		</td>
  	</tr>
 	<tr>
+		<td><label for="zeroIsSignificant ">$i18n.getString( "store_zero_data_values" )</label></td>
+		<td>
+			<select id="zeroIsSignificant" name="zeroIsSignificant" style="min-width:20em">
+				<option value="" selected=selected>$i18n.getString( "select" )</option>				
+				<option value="true" #if($dataElement.zeroIsSignificant) selected="selected" #end >$i18n.getString( "yes" )</option>				
+				<option value="false"#if(!$dataElement.zeroIsSignificant) selected="selected" #end >$i18n.getString( "no" )</option>
+			</select>
+			<script>
+				if( '$dataElement.type' == 'int' ){
+					enable('zeroIsSignificant');
+				}else{
+					disable('zeroIsSignificant');
+				}
+			</script>
+ 		</td>
+ 	</tr>
+	<tr>
 		<td><label for="aggregationOperator" id="lblOperator">$i18n.getString( "aggregation_operator" ) <em title="$i18n.getString( 'required' )" class="required">*</em></label></td>
 		<td>
 			<select id="aggregationOperator" name="aggregationOperator" style="min-width:20em">