Calendar日历控件多个日期的选择

转载：http://dev.mjxy.cn/a-Calendar-calendar-control-multiple-dates-selection.aspx

//处理Calendar1的SelectionChanged事件

protected void Calendar1_SelectionChanged(object sender, EventArgs e)

{

List<DateTime> lst = SelectDate;

if (lst.Contains(Calendar1.SelectedDate))

{

lst.Remove(Calendar1.SelectedDate);

}

else

{

lst.Add(Calendar1.SelectedDate);

}

}

//定义属性存放选中的日期

public List<DateTime> SelectDate

{

set

{

ViewState["sd"] = value;

}

get

{

if (ViewState["sd"] == null)

ViewState["sd"] = new List<DateTime>();

return (List<DateTime>)ViewState["sd"];

}

}

//处理DayRender事件

protected void Calendar1_DayRender(object sender, DayRenderEventArgs e)

{

//呈现选中的日期

List<DateTime> selectDate = SelectDate;

foreach (var item in SelectDate)

{

if (e.Day.Date == item)

e.Cell.BackColor = System.Drawing.Color.Red;

}

}