@(Html.Kendo().Calendar()
      .Name("calendar")
      .Format("MM/dd/yyyy")
      .Selection(select =>
      {
          select.Action("SelectAction", "Calendar", new { date = "{0}" })
                .Dates(new List<DateTime> { 
                    DateTime.Today,
                    DateTime.Today.AddDays(5),
                    DateTime.Today.AddDays(-5),
                    DateTime.Today.AddMonths(1), 
                    DateTime.Today.AddMonths(-1) 
                });
      })
      .Value(ViewBag.date as DateTime?)
)

@{ 
    if (ViewBag.date != null) {
        <p>This date was clicked: @ViewBag.date</p>
    }
 }