A double for cycle to solve

mypage.razor

@page "/MyPage"

<h3>Show images</h3>

@for (int i = 0; i < LabImages.Count; i += imagesPerRow)
{
    <div class="card-deck">
        @for(int j = i; j < i + imagesPerRow && j < LabImages.Count; j++)
        {
            <div class="card">
                <img class="card-img-top" src="..." alt="Card image cap">
                <div class="card-body">
                    <h5 class="card-title">Title</h5>
                    <p class="card-text">Bytes: Length</p>
                </div>
            </div>
        }
    </div>
}

@code{
    private int imagesPerRow = 4;
}