doc: 增加 MergeTableRow 示例

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Components/MergeTableRow.razor

@@ -0,0 +1,39 @@
+@if (Context.Row.Id == 1)
+{
+    <tr>
+        <td rowspan="4">@Context.Row.DateTime</td>
+        <td>@Context.Row.Name</td>
+        <td>@Context.Row.Address</td>
+        <td>@Context.Row.Count</td>
+    </tr>
+}
+else if (Context.Row.Id == 2)
+{
+    <tr>
+        <td rowspan="3">@Context.Row.Name</td>
+        <td>@Context.Row.Address</td>
+        <td>@Context.Row.Count</td>
+    </tr>
+}
+else if (Context.Row.Id == 3)
+{
+    <tr>
+        <td rowspan="2">@Context.Row.Address</td>
+        <td>@Context.Row.Count</td>
+    </tr>
+}
+else if (Context.Row.Id == 4)
+{
+    <tr>
+        <td>@Context.Row.Count</td>
+    </tr>
+}
+else
+{
+    <tr>
+        <td>@Context.Row.DateTime</td>
+        <td>@Context.Row.Name</td>
+        <td>@Context.Row.Address</td>
+        <td>@Context.Row.Count</td>
+    </tr>
+}

src/BootstrapBlazor.Server/Components/Components/MergeTableRow.razor.cs

@@ -0,0 +1,19 @@
+// 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([email protected]) Website: https://www.blazor.zone
+
+namespace BootstrapBlazor.Server.Components.Components;
+
+/// <summary>
+/// 自定义行组件
+/// </summary>
+public partial class MergeTableRow
+{
+    /// <summary>
+    /// 获得/设置 行上下文数据实例
+    /// </summary>
+    [Parameter]
+    [NotNull]
+    public TableRowContext<Foo>? Context { get; set; }
+}