通过时间获取星期数

.net   获取星期数

dt = DateTime.Today.DayOfWeek.ToString();

private string getweek(string dt)

{

string week="";
switch (dt)
            {
                case "Monday":
                    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;

}