@if (DoorOpList != null)
{
    <div class="row">
        @foreach (var item in DoorOpList)
        {
            <div class="col-4" style="min-height: 20rem;">
                <HwSingleInstance instanceN="@(instNum++)" Lingua="@Lingua" DoorOpInst="@item" HwCode="@HwCode" E_recordUpdate="manageUpdate"></HwSingleInstance>
            </div>
        }
    </div>
}