DataGridFooterTotals demo improved

radzenhq · Aug 17, 2023 · a212382 · a212382
1 parent b1819ff
commit a212382
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diff --git a/RadzenBlazorDemos/Pages/DataGridFooterTotals.razor b/RadzenBlazorDemos/Pages/DataGridFooterTotals.razor
@@ -10,10 +10,12 @@
     <Columns>
         <RadzenDataGridColumn Width="60px" TItem="Order" Title="#" Filterable="false" Sortable="false" TextAlign="TextAlign.Center">
             <Template>
+                <RenderOnceComponent CanRender=@(!(index >= ordersGrid.PageSize))>
                 @{
                     ResetIndex(index >= ordersGrid.PageSize);
                 }
                 @((ordersGrid.CurrentPage * ordersGrid.PageSize) + index++ + 1)
+                </RenderOnceComponent>
             </Template>
         </RadzenDataGridColumn>
         <RadzenDataGridColumn TItem="Order" Property="OrderID" Title="Order ID">

diff --git a/RadzenBlazorDemos/Shared/RenderOnceComponent.razor b/RadzenBlazorDemos/Shared/RenderOnceComponent.razor
@@ -0,0 +1,16 @@
+@inherits RadzenComponentWithChildren
+@ChildContent
+@code {
+    public override async Task SetParametersAsync(ParameterView parameters)
+    {
+        if (parameters.GetValueOrDefault<bool>(nameof(CanRender)))
+        {
+            await base.SetParametersAsync(parameters);
+        }
+
+        await Task.CompletedTask;
+    }
+
+    [Parameter]
+    public bool CanRender { get; set; }
+}