广告控件calendar的应用

当单击下拉菜单列表时显示4种不同的日历格式！

 protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
       switch(this.DropDownList1.SelectedValue)
       {
           case "Day":
               this.Calendar1.SelectionMode=CalendarSelectionMode.Day;
               break;
           case "DayWeek":
               this.Calendar1.SelectionMode=CalendarSelectionMode.DayWeek;
               break;
           case "DayWeekMonth":
               this.Calendar1.SelectionMode=CalendarSelectionMode.DayWeekMonth;
               break;
           case "None":
               this.Calendar1.SelectionMode=CalendarSelectionMode.None;
               break;
       }
    }