<img alt="" class="img-fluid" src="@ImagePath" />
@code {
  public string ImagePath { get; set; } = string.Empty;

  protected override Task OnInitializedAsync()//(bool firstRender)
  {
    //if (firstRender)
    {
      string[] images = new[] { "d304641b-bfef-4d2f-a715-67184d59b171.jpg", "3db66a22-7e36-4b4a-8d85-3aa27e1c8220.jpg" };
      int ix = Random.Shared.Next(0, images.Length);

      ImagePath = string.Format("/img/{0}", images[ix]);
    }
    return base.OnInitializedAsync();
  }
}
