学步园

using System.Globalization;

System.DateTime currentTime =DateTime.Now;

        // string strYMD= dt.GetDateTimeFormats('D')[0].ToString();//2005年11月5日

        string strYMD = currentTime.GetDateTimeFormats('D')[0].ToString();//2010年7月19日   

       string strYMD2 = currentTime.ToLongDateString().ToString();//2010年7月19日

        string shortTime = currentTime.ToShortDateString().ToString();//2010-7-19

        string date1 = String.Format("yyyy-MM-dd",DateTime.Now);  //error

        string yearandmonth =  currentTime.ToString("yyyy年MM月dd日", DateTimeFormatInfo.InvariantInfo); 2010年07月19日

        //5.直接用ToString方法转换日期显示格式:

        string tostring =  DateTime.Now.ToString("yyyyMMddhhmmss");//20100719043253

        string tostring1 = DateTime.Now.ToString("yyyy/MM/dd hh:mm:ss");//2010-07-19 04:32:53

        string tostring2 = DateTime.Now.ToString("yyyy-MM-dd");//2010-07-19

        string strtoDateTime = Convert.ToDateTime("2005-8-23").ToString();  // 2005-8-23 0:00:00

        Response.Write("strtoDateTime" + strtoDateTime); Response.Write("<br />");

        Response.Write("GetDateTimeFormats('D')[0].ToString()" + strYMD); Response.Write("<br />");

        Response.Write("ToLongDateString().ToString()" + strYMD2); Response.Write("<br />");

        Response.Write("String.Format(yyyy-MM-dd)" + date1); Response.Write("<br />");

        Response.Write("yyyy年MM月" + yearandmonth); Response.Write("<br />");

        Response.Write("shortTime" + shortTime); Response.Write("<br />");

        Response.Write("tostring" + tostring); Response.Write("<br />");

        Response.Write("tostring" + tostring1); Response.Write("<br />");

        Response.Write("tostring" + tostring2); Response.Write("<br />");