红皮书c#高级编程(第6版)_第2章_c#基础_枚举

public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//获取枚举的字符串标示
TimeOfDay time = TimeOfDay.Afternoon;
Response.Write(time.ToString());

//从枚举字符串中获取值
TimeOfDay time2 = (TimeOfDay)Enum.Parse(typeof(TimeOfDay), "afternoon", true);
Response.Write(Convert.ToInt32(time2));
}

//定义枚举类型
public enum TimeOfDay
{
Morning = 0,
Afternoon = 1,
Evening = 2
}
}