附件里的代码，同时提供了C#和VB.NET为后台的示例演示程序。

    public class DataCalendar : Calendar, INamingContainer
    {
        .
        .
        .
        // Constructor   

        public DataCalendar() : base()
        {
            // since this control will be used for displaying

            // events, set these properties as a default

            this.SelectionMode = CalendarSelectionMode.None;
            this.ShowGridLines = true;
        }
        .
        .
        .
    }