diff --git a/GPW_Commesse/WebUserControls/cmp_chart.ascx b/GPW_Commesse/WebUserControls/cmp_chart.ascx
index 9204dc8..75765bf 100644
--- a/GPW_Commesse/WebUserControls/cmp_chart.ascx
+++ b/GPW_Commesse/WebUserControls/cmp_chart.ascx
@@ -3,13 +3,22 @@
 
 <script type="text/javascript">
 
-    redrawAll();
+    Sys.Application.add_init(appl_init);
 
-    var prm = Sys.WebForms.PageRequestManager.getInstance();
-    prm.add_pageLoaded(function () {
+    function appl_init() {
+        var pgRegMgr = Sys.WebForms.PageRequestManager.getInstance();
+        pgRegMgr.add_endRequest(EndHandler);
+    }
+    function EndHandler() {
         redrawAll();
-        console.log('add_pageLoaded!');
-    });
+        console.log('EndHandler!');
+    }
+
+    //var prm = Sys.WebForms.PageRequestManager.getInstance();
+    //prm.add_pageLoaded(function () {
+    //    redrawAll();
+    //    console.log('add_pageLoaded!');
+    //});
     //prm.add_endRequest(function () {
     //    redrawAll();
     //    console.log('add_endRequest!');
@@ -150,9 +159,9 @@
     }
 
     function redrawAll() {
-        //console.log('numRec: <%=ddlMaxNum.SelectedValue%>');
         plotTS();
         plotHist();
+        console.log('numRec: <%=ddlMaxNum.SelectedValue%>');
     }
 </script>
 
@@ -171,6 +180,7 @@
             <asp:ListItem Text="1 anno" Value="366"></asp:ListItem>
             <asp:ListItem Text="Tutto" Value="0"></asp:ListItem>
         </asp:DropDownList>
+        <asp:LinkButton runat="server" ID="lbtUpdate" OnClientClick="redrawAll();" CssClass="btn btn-info btn-sm small"><i class="fa fa-refresh" aria-hidden="true"></i></asp:LinkButton>
     </div>
 </div>
 <div class="row" runat="server" id="divGraphs">
diff --git a/GPW_Commesse/WebUserControls/cmp_chart.ascx.designer.cs b/GPW_Commesse/WebUserControls/cmp_chart.ascx.designer.cs
index 22cd135..161fa96 100644
--- a/GPW_Commesse/WebUserControls/cmp_chart.ascx.designer.cs
+++ b/GPW_Commesse/WebUserControls/cmp_chart.ascx.designer.cs
@@ -41,6 +41,15 @@ namespace GPW_Commesse.WebUserControls
         /// </remarks>
         protected global::System.Web.UI.WebControls.DropDownList ddlMaxNum;
 
+        /// <summary>
+        /// lbtUpdate control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.LinkButton lbtUpdate;
+
         /// <summary>
         /// divGraphs control.
         /// </summary>