Make QuickGrid section "Display name support" use correct way to determine display name (#34479)

Author: georg-jung

aspnetcore/blazor/components/quickgrid.md

@@ -297,7 +297,7 @@ However, managing column titles (names) from bound model properties is usually a
 public DateTime ReleaseDate { get; set; }
 ```
 
-To enable the `QuickGrid` component to use the <xref:System.ComponentModel.DataAnnotations.DisplayAttribute.Name?displayProperty=nameWithType>, subclass <xref:Microsoft.AspNetCore.Components.QuickGrid.PropertyColumn`2> either in the component or in a separate class:
+To enable the `QuickGrid` component to use the <xref:System.ComponentModel.DataAnnotations.DisplayAttribute.Name?displayProperty=nameWithType> property, subclass <xref:Microsoft.AspNetCore.Components.QuickGrid.PropertyColumn`2>, either in the component or in a separate class. Call the <xref:System.ComponentModel.DataAnnotations.DisplayAttribute.GetName%2A> method to return the localized <xref:System.ComponentModel.DataAnnotations.DisplayAttribute.Name?displayProperty=nameWithType> value if an unlocalized <xref:System.ComponentModel.DisplayNameAttribute.DisplayName> ([`[DisplayName]` attribute](xref:System.ComponentModel.DisplayNameAttribute)) doesn't hold the value:
 
 ```csharp
 public class DisplayNameColumn<TGridItem, TProp> : PropertyColumn<TGridItem, TProp>
@@ -309,7 +309,7 @@ public class DisplayNameColumn<TGridItem, TProp> : PropertyColumn<TGridItem, TPr
             var memberInfo = memberExpression.Member;
             Title = 
                 memberInfo.GetCustomAttribute<DisplayNameAttribute>().DisplayName ??
-                memberInfo.GetCustomAttribute<DisplayAttribute>().Name ??
+                memberInfo.GetCustomAttribute<DisplayAttribute>().GetName() ??
                 memberInfo.Name;
         }