FileUpload.razor

@page "/Testing"

<label class="fileInputZone" for="inputFile" title="Upload files">
    Upload
</label>

<InputFile id="inputFile" OnChange="LoadFiles" multiple accept="@(String.Join(','))"/>

@foreach (var uploadInfo in _queuedFileUploads)
{
    <div style="">
        <span>@uploadInfo.Name</span>
        <Button SelectedButtonType="ButtonType.Square" IconName="Icon.IconCross" Click="() => CancelUpload(uploadInfo)"></Button>
    </div>
}

@code {

    private readonly List<IBrowserFile> _queuedFileUploads = [];

    private void LoadFiles(InputFileChangeEventArgs obj)
    {
        Console.WriteLine("Uploading file");
        _queuedFileUploads.Add(obj.File);
    }

}