查找表中的日期和午夜之间的差异(ASP.NET MVC)

public class LookupTable
{
    public DateTime Date { get; set; }
}

public ActionResult DateDiff()
{
    DateTime midnight = DateTime.Today.AddDays(1);
    
    var lookupTable = new List<LookupTable>
    {
        new LookupTable { Date = DateTime.Today.AddDays(-1) },
        new LookupTable { Date = DateTime.Today },
        new LookupTable { Date = DateTime.Today.AddDays(1) }
    };
    
    var dateDiffs = lookupTable.Where(lt => lt.Date <= DateTime.Today)
                               .Select(lt => midnight - lt.Date);
    
    ViewBag.DateDiffs = dateDiffs;
    
    return View();
}

@{
    ViewBag.Title = "Date Diff";
}

<h2>Date Diff</h2>

@if (ViewBag.DateDiffs != null)
{
    <table>
        <tr>
            <th>Date</th>
            <th>Diff</th>
        </tr>
        @foreach (var diff in ViewBag.DateDiffs)
        {
            <tr>
                <td>@diff.TotalDays days</td>
                <td>@diff.Hours hours @diff.Minutes minutes @diff.Seconds seconds</td>
            </tr>
        }
    </table>
}