diff --git a/Projects/WebClient/Web.Tra/.config/dotnet-tools.json b/Projects/WebClient/Web.Tra/.config/dotnet-tools.json
new file mode 100644
index 0000000..837b189
--- /dev/null
+++ b/Projects/WebClient/Web.Tra/.config/dotnet-tools.json
@@ -0,0 +1,13 @@
+{
+  "version": 1,
+  "isRoot": true,
+  "tools": {
+    "dotnet-ef": {
+      "version": "9.0.8",
+      "commands": [
+        "dotnet-ef"
+      ],
+      "rollForward": false
+    }
+  }
+}
\ No newline at end of file
diff --git a/Projects/WebClient/Web.Tra/Components/Module/TraGrid.razor b/Projects/WebClient/Web.Tra/Components/Module/TraGrid.razor
index 7cbbc1f..c485b06 100644
--- a/Projects/WebClient/Web.Tra/Components/Module/TraGrid.razor
+++ b/Projects/WebClient/Web.Tra/Components/Module/TraGrid.razor
@@ -3,7 +3,7 @@
 @inject ContextMenuService ContextMenuService
 
 <RadzenDataGrid Style="height:calc(100vh - 23rem); font-size: 20px;" TItem="TDataModel" Data="@DataList" AllowPaging PageSize="@PageSize"
-                AllowFiltering FilterMode="FilterMode.Advanced" CellRender="@CellRender"
+                AllowFiltering FilterMode="FilterMode.Advanced" CellRender="@CellRender" AllowColumnResize
                 SelectionMode="DataGridSelectionMode.Single" @bind-Value="@SelectedRow"
                 CellContextMenu="@OnCellContextMenu" RowSelect="@SelectRow" RowDoubleClick="@OnRowDoublClick">
     <Columns>
@@ -12,7 +12,9 @@
         {
             <RadzenDataGridColumn Title="No.">
                 <Template>
-                    @(DataList.ToList().IndexOf(context) + 1)
+                    <span class="custom-rz-value">
+                        @(DataList.ToList().IndexOf(context) + 1)
+                    </span>
                 </Template>
             </RadzenDataGridColumn>
         }
@@ -130,6 +132,9 @@
 
         if (args.Column.Property.ToLower().Equals("host"))
         {
+            if (HostColumnMerge == false)
+                return;
+
             int rowCount = 0;
             var take = DataList.Skip(index).Take(((index / PageSize) + 1) * PageSize - index);
             foreach (var r in take)
diff --git a/Projects/WebClient/Web.Tra/Components/Pages/TRA.razor b/Projects/WebClient/Web.Tra/Components/Pages/TRA.razor
index eab114d..77e08cd 100644
--- a/Projects/WebClient/Web.Tra/Components/Pages/TRA.razor
+++ b/Projects/WebClient/Web.Tra/Components/Pages/TRA.razor
@@ -89,16 +89,24 @@
                     @if (tab.Key == EnumTabs.OverviewC1.ToString())
                     {
                         <TraGrid TDataModel="Overview" DataList="@Overviews" OnClickContextMenu="@OnClickDetailOverviewContextMenu"
-                            OnSelectRow="@OnSelectRowOverview" PageSize="@PageSize" DisableColums="@DisableColums"
-                            OnDoubleClickRow="@OnDoubleClickRowOverview">
+                                 OnSelectRow="@OnSelectRowOverview" PageSize="@PageSize" DisableColums="@OverviewDisableColums"
+                            OnDoubleClickRow="@OnDoubleClickRowOverview" HostColumnMerge>
                         </TraGrid>
                     }
 
                     @if (tab.Key == EnumTabs.OverviewC1Detail.ToString())
                     {
                         <TraGrid TDataModel="Overview" DataList="@DetailOverviews" OnClickContextMenu="@OnClickDetailOverviewContextMenu"
-                                 OnSelectRow="@OnSelectRowOverview" PageSize="@PageSize" DisableColums="@DisableColums"
-                                 OnDoubleClickRow="@OnDoubleClickRowOverview">
+                                 OnSelectRow="@OnSelectRowOverview" PageSize="@PageSize" DisableColums="@OverviewDisableColums"
+                                 OnDoubleClickRow="@OnDoubleClickRowDetailOverview" HostColumnMerge>
+                        </TraGrid>
+                    }
+
+                    @if (tab.Key.Contains(EnumTabs.TestHistoryC1.ToString()))
+                    {
+                        <TraGrid TDataModel="TestHistory" DataList="@TestHistories.Where(x=>x.Key == tab.Key).First().Value" OnClickContextMenu="@OnClickDetailOverviewContextMenu"
+                                 OnSelectRow="@OnSelectRowOverview" PageSize="@PageSize" DisableColums="@HistoryDisableColums" 
+                                 VisibleRowNo HostColumnMerge="false">
                         </TraGrid>
                     }
                 </ChildContent>
@@ -121,7 +129,8 @@
     //options
     private bool IsMergePartNumberOption = false;
     private int PageSize = 30;
-    private List<string> DisableColums = new List<string>();
+    private List<string> OverviewDisableColums = new List<string>();
+    private List<string> HistoryDisableColums = new List<string> { "testdate", "modelname", "firsttesttime", "finaltesttime", "testlistcntid" };
 
     //tab
     RadzenTabs tabs;
@@ -132,6 +141,7 @@
     List<SearchData> SearchDataOverviews = new List<SearchData>();
     List<Overview> Overviews = new List<Overview>();
     List<Overview> DetailOverviews = new List<Overview>();
+    Dictionary<string,List<TestHistory>> TestHistories = new();
 
     private async Task OnSearch()
     {
@@ -155,9 +165,9 @@
 
     private async Task GetOverviews()
     {
-        DisableColums.Clear();
-        DisableColums.Add("rn");
-        DisableColums.Add("stepversion");
+        OverviewDisableColums.Clear();
+        OverviewDisableColums.Add("rn");
+        OverviewDisableColums.Add("stepversion");
 
         if (IsMergePartNumberOption == false)
         {   
@@ -165,10 +175,10 @@
         }
         else
         {
-            DisableColums.Add("stationname");
-            DisableColums.Add("host");
-            DisableColums.Add("section");
-            DisableColums.Add("testlistcntid");
+            OverviewDisableColums.Add("stationname");
+            OverviewDisableColums.Add("host");
+            OverviewDisableColums.Add("section");
+            OverviewDisableColums.Add("testlistcntid");
             Overviews = await CPXV2LogService.GetOverviewMerged(SearchDataOverviews);
         }
     }
@@ -204,6 +214,29 @@
         SelectedTabIndex = ListTabs.Keys.ToList().IndexOf(EnumTabs.OverviewC1Detail.ToString());
     }
 
+    private async Task OnDoubleClickRowDetailOverview(IDataModel row)
+    {
+        var historyIndex = TestHistories.Count();
+        string histoiresKey = $"{EnumTabs.TestHistoryC1.ToString()}({historyIndex + 1})";
+
+        if (IsMergePartNumberOption == false)
+        {
+            var getHistories = await CPXV2LogService.GetTestHistory(SearchDataOverviews, row);
+            TestHistories.Add(histoiresKey, getHistories);
+        }
+        else
+        {
+            var getHistories = await CPXV2LogService.GetTestHistoryMerged(SearchDataOverviews, row);
+            TestHistories.Add(histoiresKey, getHistories);
+        }
+        
+        //tab control        
+        ListTabs.Add(histoiresKey, EnumTabs.TestHistoryC1);
+        tabs.Reload();
+
+        SelectedTabIndex = ListTabs.Count - 1;
+    }
+
     private void OnClickDetailOverviewContextMenu()
     {
         // DetailOverviews = OverviewService.SearchDetailOverview(SelectedDataService.SelectedOverview);
diff --git a/Projects/WebClient/Web.Tra/Extended/ObjectExtended.cs b/Projects/WebClient/Web.Tra/Extended/ObjectExtended.cs
index 3b91ea5..5c65df0 100644
--- a/Projects/WebClient/Web.Tra/Extended/ObjectExtended.cs
+++ b/Projects/WebClient/Web.Tra/Extended/ObjectExtended.cs
@@ -59,26 +59,28 @@ public static class ObjectExtend
         return data.ToOverview();
     }
 
-    public static TestHistory ToTestHistory(this IEnumerable<SearchData> data)
+    public static TestHistory ToTestHistory(this SearchData data)
     {
         return new TestHistory
         {
-            No = data.Last().Summary.No,
-            TestDateTime = data.Last().Summary.TestDT,
-            StationName = data.Last().Summary.StationName,
-            Host = data.Last().Summary.HostID,
-            Section = data.Last().Summary.Section,
-            ProductID = data.Last().Summary.ProductID,
-            TestType = data.Last().Summary.TestType,
-            ProductNo = data.Last().Summary.ProdNo_C,
-            TestCode = data.Last().Summary.Testcode,
-            ParentNo = data.Last().Summary.ProdNo_P,
-            FileCode = data.Last().Summary.ProdCode,
-            FileVersion = data.Last().Summary.Version,
-            StepVersion = data.Last().Summary.StepVersion,
-            Duration = data.Last().Summary.Duration,
-            TestResult = data.Last().Summary.Result,
-            TestlistReqID = data.Last().Summary.TestListCntID,
+            No = data.Summary.No,
+            TestDate = data.Summary.TestDT,
+            TestDateTime = data.Summary.TestDT,
+            StationName = data.Summary.StationName,
+            Host = data.Summary.HostID,
+            Section = data.Summary.Section,
+            ProductID = data.Summary.ProductID,
+            TestType = data.Summary.TestType,
+            ProductNo = data.Summary.ProdNo_C,
+            TestCode = data.Summary.Testcode,
+            ParentNo = data.Summary.ProdNo_P,
+            FileCode = data.Summary.ProdCode,
+            FileVersion = data.Summary.Version,
+            StepVersion = data.Summary.StepVersion,
+            Duration = data.Summary.Duration,
+            TestResult = data.Summary.Result,
+            TestListCntID = data.Summary.TestListCntID,
+            TestListReqID = data.Summary.TestListCntID
         };
     }
 }
\ No newline at end of file
diff --git a/Projects/WebClient/Web.Tra/Model/TestHistory.cs b/Projects/WebClient/Web.Tra/Model/TestHistory.cs
index d4213c1..f35e1c3 100644
--- a/Projects/WebClient/Web.Tra/Model/TestHistory.cs
+++ b/Projects/WebClient/Web.Tra/Model/TestHistory.cs
@@ -2,13 +2,12 @@
 {
     public class TestHistory : IDataModel
     {
-        public DateTime? TestDate { get; set; }
-        public string ModelName { get; set; }
-
         public long No { get; set; }
-        public DateTime TestDateTime { get; set; }
+        public DateTime? TestDate { get; set; }
+        public DateTime? TestDateTime { get; set; }
+        public string ModelName { get; set; }   //no use
         public string StationName { get; set; }
-        public string Host { get; set; }
+        public string Host { get; set; }        
         public string Section { get; set; }
         public string ProductID { get; set; }
         public string TestType { get; set; }
@@ -19,11 +18,10 @@
         public string FileVersion { get; set; }
         public int? StepVersion { get; set; }
         public string Duration { get; set; }
-        public string TestResult { get; set; }
-        public string TestlistReqID { get; set; }
-
+        public string TestResult { get; set; }     
         public string FirstTestTime { get; set; }
         public string FinalTestTime { get; set; }
         public string TestListCntID { get; set; }
+        public string TestListReqID { get; set; }
     }
 }
diff --git a/Projects/WebClient/Web.Tra/Services/CPXV2LogService.cs b/Projects/WebClient/Web.Tra/Services/CPXV2LogService.cs
index a2e6b8e..c3b207c 100644
--- a/Projects/WebClient/Web.Tra/Services/CPXV2LogService.cs
+++ b/Projects/WebClient/Web.Tra/Services/CPXV2LogService.cs
@@ -151,6 +151,34 @@ namespace Web.Tra.Services
             return detailOverview.ToList();
         }
 
+        public async Task<List<TestHistory>> GetTestHistory(List<SearchData> request, IDataModel row)
+        {
+            var testHistory = request
+                .Where(x => x.Summary.TestDT.Date == row.TestDate.Value.Date &&
+                        x.Summary.HostID == row.Host &&
+                        x.Summary.Section == row.Section &&
+                        x.Summary.ProdNo_C == row.ProductNo &&
+                        x.Summary.ProdNo_P == row.ParentNo &&
+                        x.Summary.TestListCntID == row.TestListCntID)
+                .Select(x=>x.ToTestHistory())
+                .OrderBy(x => x.No);
+            await Task.CompletedTask;
+            return testHistory.ToList();
+        }
+
+        public async Task<List<TestHistory>> GetTestHistoryMerged(List<SearchData> request, IDataModel row)
+        {
+            var testHistory = request
+                .Where(x => x.Summary.TestDT.Date == row.TestDate.Value.Date &&
+                        x.Summary.Testcode == row.TestCode&&                        
+                        x.Summary.ProdNo_C == row.ProductNo &&
+                        x.Summary.ProdNo_P == row.ParentNo)
+                .Select(x => x.ToTestHistory())
+                .OrderBy(x => (x.TestListReqID, x.No));
+            await Task.CompletedTask;
+            return testHistory.ToList();
+        }
+
         //Get DBContext
         private T? GetDBContext<T>(DbContextProvider provider, int dbID) where T : DbContext
         {