doc: 精简代码

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Samples/Scrolls.razor

@@ -11,11 +11,11 @@
     <div class="scroll-demo border">
         <Scroll @ref="_scroll" Height="200px">
             <div class="m-1">@Localizer["ScrollNormalDescription"]</div>
-            <div style="height: 100px; max-width: 200px; background-color: var(--bs-primary)"></div>
-            <div style="height: 100px; max-width: 200px; background-color: var(--bs-secondary)"></div>
-            <div style="height: 100px; max-width: 200px; background-color: var(--bs-warning)"></div>
-            <div style="height: 100px; max-width: 200px; background-color: var(--bs-success)"></div>
-            <div style="height: 100px; max-width: 200px; background-color: var(--bs-info)"></div>
+            <div class="bg-primary" style="height: 100px;"></div>
+            <div class="bg-secondary" style="height: 100px;"></div>
+            <div class="bg-warning" style="height: 100px;"></div>
+            <div class="bg-success" style="height: 100px;"></div>
+            <div class="bg-info" style="height: 100px;"></div>
             <div class="m-1">@Localizer["ScrollNormalBottom"]</div>
         </Scroll>
         <Divider/>

src/BootstrapBlazor.Server/Components/Samples/Scrolls.razor.cs

@@ -34,14 +34,8 @@ private AttributeItem[] GetAttributes() =>
         }
     ];
 
-    private Scroll? _scroll;
+    [NotNull]
+    private Scroll? _scroll = null;
 
-    private async Task ScrollToBottom()
-    {
-        if (_scroll != null)
-        {
-            await _scroll.ScrollToBottom();
-        }
-
-    }
+    private Task ScrollToBottom() => _scroll.ScrollToBottom();
 }