diff --git a/MP.SPEC/Components/ListPARAMS.razor.cs b/MP.SPEC/Components/ListPARAMS.razor.cs
index 2ef8726a..31574c02 100644
--- a/MP.SPEC/Components/ListPARAMS.razor.cs
+++ b/MP.SPEC/Components/ListPARAMS.razor.cs
@@ -3,6 +3,7 @@ using Microsoft.JSInterop;
 using MP.Data.DatabaseModels;
 using MP.SPEC.Data;
 using System.Diagnostics;
+using MP.Data;
 
 namespace MP.SPEC.Components
 {
@@ -156,6 +157,7 @@ namespace MP.SPEC.Components
         protected async Task resetSel()
         {
             currRecord = null;
+            setDtMax();
             await RecordSel.InvokeAsync(null);
         }
 
@@ -163,6 +165,8 @@ namespace MP.SPEC.Components
         {
             currRecord = selRec;
             SelFilter.IdxMacchina = selRec.IdxMacchina;
+            SelDtMax = selRec.dtEvento;
+            //selDtMin = RoundDatetime(5).AddHours(-25);
             await reloadData(false);
             await RecordSel.InvokeAsync(selRec);
         }
@@ -224,8 +228,33 @@ namespace MP.SPEC.Components
         private DateTime? SelDtMax
         {
             get => SelFilter.dtMax;
+            set => SelFilter.dtMax = value;
+        }
+        protected void setDtMax()
+        {
+            // copio il filtro
+            var currFilt = SelFilter;
+            // fermo update
+            currFilt.LiveUpdate = true;
+            currFilt.CurrPage = 0;
+            currFilt.lastUpdate = $"{DateTime.Now:yyyy/MM/dd HH:mm:ss}";
+            currFilt.dtMax = RoundDatetime(5);
+            currFilt.dtMin = RoundDatetime(5).AddHours(-25);
+            SelFilter = currFilt;
         }
 
+        /// <summary>
+        /// Inizializzazione con periodo e arrotondamento
+        /// </summary>
+        /// <param name="minRound"></param>
+        /// <returns></returns>
+        public static DateTime RoundDatetime(int minRound)
+        {
+            TimeSpan DayElapsed = DateTime.Now.Subtract(DateTime.Today);
+            int minDay = (int)Math.Ceiling((double)(DayElapsed.TotalMinutes / minRound)) * minRound;
+            DateTime endRounded = DateTime.Today.AddMinutes(minDay);
+            return endRounded;
+        }
         private int totalCount
         {
             get => _totalCount;
diff --git a/MP.SPEC/Components/ParamsFilter.razor b/MP.SPEC/Components/ParamsFilter.razor
index 769761eb..ae01c039 100644
--- a/MP.SPEC/Components/ParamsFilter.razor
+++ b/MP.SPEC/Components/ParamsFilter.razor
@@ -38,7 +38,7 @@
         </div>
 
     </div>
-    <a class="pt-2" data-bs-toggle="offcanvas" data-bs-target="#paramsFilterExample" aria-controls="paramsFilterExample" @onclick="setDtMax">
+    <a class="pt-2" data-bs-toggle="offcanvas" data-bs-target="#paramsFilterExample" aria-controls="paramsFilterExample" >
         <i class="fa-solid fa-bars text-dark"></i>
     </a>
     <div class="offcanvas offcanvas-end" tabindex="-1" id="paramsFilterExample" aria-labelledby="paramsFilterExampleLabel">