diff --git a/datalets/bar-chart-datalet/bar-chart-datalet.html b/datalets/bar-chart-datalet/bar-chart-datalet.html
index 43a43c8..0d34c48 100755
--- a/datalets/bar-chart-datalet/bar-chart-datalet.html
+++ b/datalets/bar-chart-datalet/bar-chart-datalet.html
@@ -79,8 +79,8 @@ Example:
                         text: this._component.title
                     },
                     xAxis: {
-//                        categories: this.properties.categories.value,
-                        categories: ['Cinesi', 'Albanesi', 'Rumeni', 'Pakistani', 'Marocchini', 'Altri stranieri'],
+                        categories: this.properties.categories.value,
+//                        categories: ['Cinesi', 'Albanesi', 'Rumeni', 'Pakistani', 'Marocchini', 'Altri stranieri'],
                         title: {
                             text: this._component.xAxisLabel
                         }
@@ -104,6 +104,10 @@ Example:
                                 enabled: true
                             }
                         }
+//
+//                        series: {
+//                            stacking: 'normal'
+//                        }
                     },
                     legend: {
                         layout: 'vertical',
@@ -119,23 +123,24 @@ Example:
                     credits: {
                         enabled: false
                     },
-//                    series: this.properties.series.value
-                     series: [{
-                         name: '2010',
-                         data: [107, 31, 635, 203, 2]
-                     }, {
-                         name: '2011',
-                         data: [1353, 156, 947, 408, 6]
-                     }, {
-                         name: '2012',
-                         data: [133, 156, 947, 408, 64]
-                     }, {
-                         name: '2013',
-                         data: [133, 156, 947, 48, 6]
-                     }, {
-                         name: '2014',
-                         data: [1052, 954, 4250, 740, 38]
-                     }]
+
+                    series: this.properties.series.value
+//                     series: [{
+//                         name: '2010',
+//                         data: [107, 31, 635, 203, 2]
+//                     }, {
+//                         name: '2011',
+//                         data: [1353, 156, 947, 408, 6]
+//                     }, {
+//                         name: '2012',
+//                         data: [133, 156, 947, 408, 64]
+//                     }, {
+//                         name: '2013',
+//                         data: [133, 156, 947, 48, 6]
+//                     }, {
+//                         name: '2014',
+//                         data: [1052, 954, 4250, 740, 38]
+//                     }]
                 });
 
 
diff --git a/datalets/base-ajax-json-alasql-datalet/static/js/AjaxJsonAlasqlBehavior.js b/datalets/base-ajax-json-alasql-datalet/static/js/AjaxJsonAlasqlBehavior.js
index 3ef89c8..c8683ee 100755
--- a/datalets/base-ajax-json-alasql-datalet/static/js/AjaxJsonAlasqlBehavior.js
+++ b/datalets/base-ajax-json-alasql-datalet/static/js/AjaxJsonAlasqlBehavior.js
@@ -137,15 +137,34 @@ var AjaxJsonAlasqlBehavior = {
             orderBy = orderBy.slice(0, -2);
         }
 
-        //SELECT;
+        //SELECT
         var select = "SELECT ";
         for (var i = 0; i < fields.length; i++)
-            //select += fields[i] + ", ";
             select += fields[i] + " as " + this._fieldName(this._component.fields[i], "") + ", ";
         select = select.slice(0, -2);
 
         var pureSelect = select;
 
+        /**/
+        var res = alasql("SELECT "+ path +" FROM ?", [jsonData]);
+        var records = res[0][path];
+        var obj = alasql(pureSelect + " FROM ?", [records]);
+        //console.log(obj);
+
+        var select = "SELECT ";
+        for (var i = 0; i < fields.length; i++) {
+            var key = Object.keys(obj[0])[i];
+            var v = obj[0][key];
+            if (!isNaN(v))
+                select += fields[i] + "::NUMBER as " + this._fieldName(this._component.fields[i], "") + ", ";
+            else
+                select += fields[i] + " as " + this._fieldName(this._component.fields[i], "") + ", ";
+        }
+        select = select.slice(0, -2);
+
+        var pureSelect = select;
+        /**/
+
         //GROUP BY
         var groupBy = "";
         if(aggregators && aggregators.length) {