当前日期的星期

/// <summary>返回当前日期的星期名称</summary>
/// <param name="dt">日期</param>
/// <returns>星期名称</returns>
public static string GetWeekNameOfDay(DateTime idt)
{
string dt ,week="";

dt = idt.DayOfWeek.ToString();
switch (dt)
{
case "Mondy":
week= "星期一";
break;
case "Tuesday" :
week= "星期二";
break;
case "Wednesday":
week= "星期三";
break;
case "Thursday" :
week= "星期四";
break;
case "Friday" :
week= "星期五";
break;
case "Saturday":
week= "星期六";
break;
case "Sunday":
week = "星期日";
break;

}
return week;
}