diff --git a/MP.MONO.UI/Components/ParamPlot.razor b/MP.MONO.UI/Components/ParamPlot.razor
index eae6475..0f9a2c9 100644
--- a/MP.MONO.UI/Components/ParamPlot.razor
+++ b/MP.MONO.UI/Components/ParamPlot.razor
@@ -7,10 +7,12 @@
 
 @inject CurrentDataService MMDataService
 
-<div class="row">
-    <div class="col-12" align="center">
-        <b>@SelectedParam</b> - <i>@(LevelVal.Count) rec</i>
-        <div align="right">
+<div class="d-flex justify-content-between mb-2">
+    <div class="px-1">
+        <b>@SelectedParam</b>
+    </div>
+    <div class="px-1">
+        <div class=" input-group input-group-sm">
             <button class="btn btn-primary" @onclick="() => toggleParam()">
                 @if (showParam)
                 {
@@ -20,29 +22,35 @@
                 {
                     <i class="fa-solid fa-chevron-left"></i>
                 }
-                 @if (showParam)
-            {
-                <div>
-                    <b>Num rec</b> <input @bind="@maxRecord" />  <b>Sample sec time</b> <input @bind="@sampleSecMin" />
-                </div>
-            }
             </button>
-            @*@if (showParam)
+            @if (showParam)
             {
-                <div>
-                    <b>Num Val</b> <input @bind="@maxRecord" />  <b>Sample sec time</b> <input @bind="@sampleSecMin" />
-                </div>
-            }*@
+
+                <span class="input-group-text small">Num Rec</span>
+                <input class="form-control" @bind="@maxRecord" />
+                <span class="input-group-text small">Sample Sec Time</span>
+                <input class="form-control" @bind="@sampleSecMin" />
+
+            }
+
         </div>
+        @*@if (showParam)
+            {
+            <div>
+            <b>Num Val</b> <input @bind="@maxRecord" />  <b>Sample sec time</b> <input @bind="@sampleSecMin" />
+            </div>
+            }*@
     </div>
-    <div class="col-12">
+</div>
+<div class="d-flex">
+    <div class="px-1 flex-fill">
         @if (LevelVal == null || LevelVal.Count == 0)
         {
             <LoadingDataSmall></LoadingDataSmall>
         }
         else
         {
-            <MP.MONO.UI.Components.Chart.Line AspRatio="4" DataTS="@LevelVal" lineColor="@getLineColors("0.75")" backColor="@getFillColors("0.25")" pointColor="@getPointColors("1")" lTens="0"></MP.MONO.UI.Components.Chart.Line>
+            <MP.MONO.UI.Components.Chart.Line AspRatio="4" DataTS="@LevelVal" lineColor="@getLineColors("0.75")" backColor="@getFillColors("0.25")" pointColor="@getPointColors("1")" lTens="0" MinValue="MInVal" MaxValue="MaxVal"></MP.MONO.UI.Components.Chart.Line>
         }
     </div>
 </div>
diff --git a/MP.MONO.UI/Components/ParamPlot.razor.cs b/MP.MONO.UI/Components/ParamPlot.razor.cs
index 7f63724..9e57b0e 100644
--- a/MP.MONO.UI/Components/ParamPlot.razor.cs
+++ b/MP.MONO.UI/Components/ParamPlot.razor.cs
@@ -15,6 +15,8 @@ namespace MP.MONO.UI.Components
 
         protected int sampleSecMin = 1;
 
+        private List<DisplayDataDTO>? ListRecords { get; set; } = null;
+
         //protected string cssSel(string ParamName)
         //{
         //    string answ = ParamName == SelVal ? "fa-solid fa-chevron-right" : "";
@@ -79,6 +81,10 @@ namespace MP.MONO.UI.Components
             showParam = !showParam;
         }
 
+        protected string? MinVal { get; set; } = null;
+
+        protected string? MaxVal { get; set; } = null;
+
         //private int inputValue = 123;
         private void ParametersPipe_EA_NewMessage(object? sender, EventArgs e)
         {
@@ -95,6 +101,11 @@ namespace MP.MONO.UI.Components
                         if (ListRecords != null)
                         {
                             var newData = ListRecords.Where(x => x.Title == SelectedParam).FirstOrDefault();
+                            if (string.IsNullOrEmpty(MinVal)  || string.IsNullOrEmpty(MaxVal))
+                            {
+                                MinVal = $"{newData.MinVal:N0}" ;
+                                MaxVal = $"{newData.MaxVal:N0}";
+                            }
                             // lo accodo
                             if (newData != null)
                             {
diff --git a/MP.MONO.UI/Pages/Parameters.razor b/MP.MONO.UI/Pages/Parameters.razor
index d4fb75e..2288553 100644
--- a/MP.MONO.UI/Pages/Parameters.razor
+++ b/MP.MONO.UI/Pages/Parameters.razor
@@ -36,14 +36,4 @@
 
 
 
-@code {
-    protected string selParam { get; set; } = "";
-    protected void resetSel()
-    {
-        selParam = "";
-    }
-    protected void paramSelected(string paramName)
-    {
-        selParam = paramName;
-    }
-}
+
diff --git a/MP.MONO.UI/Pages/Parameters.razor.cs b/MP.MONO.UI/Pages/Parameters.razor.cs
new file mode 100644
index 0000000..15a37f1
--- /dev/null
+++ b/MP.MONO.UI/Pages/Parameters.razor.cs
@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Components;
+using System.Net.Http;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Components.Authorization;
+using Microsoft.AspNetCore.Components.Forms;
+using Microsoft.AspNetCore.Components.Routing;
+using Microsoft.AspNetCore.Components.Web;
+using Microsoft.AspNetCore.Components.Web.Virtualization;
+using Microsoft.JSInterop;
+using MP.MONO.UI;
+using MP.MONO.UI.Shared;
+using MP.MONO.UI.Components;
+
+namespace MP.MONO.UI.Pages
+{
+    public partial class Parameters
+    {
+        protected string selParam { get; set; } = "";
+        protected void resetSel()
+        {
+            selParam = "";
+        }
+
+        protected void paramSelected(string paramName)
+        {
+            selParam = paramName;
+        }
+    }
+}
\ No newline at end of file