public static void AddDeleteButton <T>(this IList <ToolbarItem> items, IEntityDetailComponent <T> component)
     where T : ContentBase
 {
     items.Add(new ToolbarItem("Delete", Color.Danger, () => component.DeleteAsync()));
 }
 public static void AddUpdateButton <T>(this IList <ToolbarItem> items, IEntityDetailComponent <T> component)
     where T : ContentBase
 {
     items.Add(new ToolbarItem("Update", Color.Success, () => component.UpdateAsync()));
 }