luoxufeng的专栏

 public bool IsInSameWeek(DateTime dt1, DateTime dt2)    {        DateTime dtBig;        DateTime dtSmall;        if (DateTime.Compare(dt1, dt2) > 0)        {            dtBig = dt1;            dtSmal

根据输入的日期判断星期 public string GetWeekName(DateTime dt){   // DateTime dt = Convert.ToDateTime(txtXinQi.Text);       string weekday = "";        switch (dt.DayOfWeek.GetHashCode().ToString())