doc(IDynamicObject): update table dynamic data sample (#7289)

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Samples/Table/TablesDynamicObject.razor

@@ -1,4 +1,4 @@
-@page "/table/dynamic-object"
+@page "/table/dynamic-object"
 @inject IStringLocalizer<NavMenu> NavMenuLocalizer
 @inject IStringLocalizer<TablesDynamicObject> Localizer
 
@@ -12,13 +12,9 @@
            IsStriped="true" IsBordered="true" ShowToolbar="true" ShowColumnList="true" ShowDefaultButtons="false" ShowRefresh="false">
         <TableColumns>
             <TableColumn @bind-Field="@context.Fix" Sortable="true" Filterable="true" />
-            @foreach (var element in DynamicColumnList)
+            @foreach (var element in _dynamicColumnList)
             {
-                <TableColumn Field="@element.ToString()" FieldName="@element.ToString()" Text="@element" Sortable="true" Filterable="true">
-                    <Template Context="v">
-                        <div>Template - @v.Value</div>
-                    </Template>
-                </TableColumn>
+                <TableColumn Field="@element" FieldName="@element" Text="@element" Sortable="true" Filterable="true"></TableColumn>
             }
         </TableColumns>
     </Table>
@@ -27,17 +23,13 @@
 <DemoBlock Title="@Localizer["TablesDynamicObjectIDynamicObjectTitle"]"
            Introduction="@Localizer["TablesDynamicObjectIDynamicObjectIntro"]"
            Name="IDynamicObject">
-    <Table TItem="CustomDynamicColumnsObjectData" Items="CustomDynamicItems"
+    <Table TItem="CustomDynamicColumnsObjectData" Items="_customDynamicItems"
            IsStriped="true" IsBordered="true" ShowToolbar="true" ShowColumnList="true" ShowDefaultButtons="false" ShowRefresh="false">
         <TableColumns>
             <TableColumn @bind-Field="@context.Fix" Sortable="true" Filterable="true" />
             @foreach (var element in StaticColumnList)
             {
-                <TableColumn Field="@element" FieldName="@element" Text="@element" Sortable="true" Filterable="true">
-                    <Template Context="v">
-                        <div>Template - @v.Value</div>
-                    </Template>
-                </TableColumn>
+                <TableColumn Field="@element" FieldName="@element" Text="@element" Sortable="true" Filterable="true"></TableColumn>
             }
         </TableColumns>
     </Table>

src/BootstrapBlazor.Server/Components/Samples/Table/TablesDynamicObject.razor.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the Apache 2.0 License
 // See the LICENSE file in the project root for more information.
 // Maintainer: Argo Zhang(argo@live.ca) Website: https://www.blazor.zone
@@ -10,8 +10,8 @@ namespace BootstrapBlazor.Server.Components.Samples.Table;
 /// </summary>
 public partial class TablesDynamicObject
 {
-    [NotNull]
-    private IEnumerable<CustomDynamicColumnsObjectData>? CustomDynamicItems { get; set; }
+    private IEnumerable<CustomDynamicColumnsObjectData> _customDynamicItems = [];
+
     private static List<string> StaticColumnList =>
     [
         "A",
@@ -20,28 +20,71 @@ public partial class TablesDynamicObject
         "Z"
     ];
 
-    [NotNull]
-    private List<string>? DynamicColumnList { get; set; }
+    private List<string> _dynamicColumnList = [];
 
     /// <summary>
-    /// OnInitialized
+    /// <inheritdoc/>
     /// </summary>
     protected override void OnInitialized()
     {
         base.OnInitialized();
+
         // 构造动态列
         var now = DateTime.Now;
-        DynamicColumnList = Enumerable.Range(1, 5).Select(index => now.AddMinutes(-1 * index).ToString("HH:mm")).ToList();
-        CustomDynamicItems = Enumerable.Range(1, 10).Select(index => new CustomDynamicColumnsObjectData(index.ToString(), StaticColumnList.ToDictionary(d => d, d => (object?)$"{d}{index}")));
+        _dynamicColumnList = Enumerable.Range(1, 5).Select(index => now.AddMinutes(-1 * index).ToString("HH:mm")).ToList();
+        _customDynamicItems = GenerateDynamicColumnsObjectData();
+    }
+
+    private static IEnumerable<CustomDynamicColumnsObjectData> GenerateDynamicColumnsObjectData() => Enumerable.Range(1, 10)
+        .Select(index => new CustomDynamicColumnsObjectData(index.ToString(), GenerateRowData(index)));
+
+    private static Dictionary<string, object?> GenerateRowData(int index)
+    {
+        var ret = new Dictionary<string, object?>();
+        for (int i = 0; i < StaticColumnList.Count; i++)
+        {
+            var columnName = StaticColumnList[i];
+            object? value = null;
+            if (columnName == "A")
+            {
+                value = $"Template - A{index}";
+            }
+            else if (columnName == "B")
+            {
+                value = index * 100;
+            }
+            else if (columnName == "C")
+            {
+                value = DateTime.Now.AddDays(index);
+            }
+            else if (columnName == "Z")
+            {
+                value = i % 2 == 0;
+            }
+            ret.Add(columnName, value);
+        }
+        return ret;
     }
 
     private readonly static Random random = new();
 
     private Task<QueryData<CustomDynamicData>> OnQueryAsync(QueryPageOptions options)
     {
-        var items = Enumerable.Range(1, 10).Select(index => new CustomDynamicData(index.ToString(), DynamicColumnList.ToDictionary(d => d.ToString(), d => $"{random.Next(1000, 9999)}")));
+        var items = Enumerable.Range(1, 10).Select(index => new CustomDynamicData(index.ToString(), GenerateDynamicRowData(index)));
         // sort logic ...
         // filter logic ...
         return Task.FromResult(new QueryData<CustomDynamicData>() { Items = items, TotalCount = 10, IsSorted = true, IsFiltered = true });
     }
+
+    private Dictionary<string, object?> GenerateDynamicRowData(int index)
+    {
+        var ret = new Dictionary<string, object?>();
+        for (int i = 0; i < _dynamicColumnList.Count; i++)
+        {
+            var columnName = _dynamicColumnList[i];
+            object? value = random.Next(1000, 9999);
+            ret.Add(columnName, value);
+        }
+        return ret;
+    }
 }

src/BootstrapBlazor.Server/Data/CustomDynamicData.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the Apache 2.0 License
 // See the LICENSE file in the project root for more information.
 // Maintainer: Argo Zhang(argo@live.ca) Website: https://www.blazor.zone
@@ -20,14 +20,14 @@ public class CustomDynamicData : System.Dynamic.DynamicObject
     /// <summary>
     /// 存储每列值信息 Key 列名 Value 为列值
     /// </summary>
-    public Dictionary<string, string> Columns { get; set; }
+    public Dictionary<string, object?> Columns { get; set; }
 
     /// <summary>
     /// 
     /// </summary>
     /// <param name="fix"></param>
     /// <param name="data"></param>
-    public CustomDynamicData(string fix, Dictionary<string, string> data)
+    public CustomDynamicData(string fix, Dictionary<string, object?> data)
     {
         Fix = fix;
         Columns = data;
@@ -50,9 +50,9 @@ public override bool TryGetMember(GetMemberBinder binder, out object? result)
         {
             result = Fix;
         }
-        else if (Columns.ContainsKey(binder.Name))
+        else if (Columns.TryGetValue(binder.Name, out object? value))
         {
-            result = Columns[binder.Name];
+            result = value;
         }
         else
         {