用戶端跟伺服器效對編程

 public class LibWrapDateTime
  {
   [DllImportAttribute( "Kernel32.dll" )]
   public static extern void SetLocalTime(SystemTime st );
  }

  [StructLayoutAttribute( LayoutKind.Sequential)]
   public class SystemTime
  {
   public ushort wYear;
   public ushort wMonth;
   public ushort wDayOfWeek;
   public ushort wDay;
   public ushort wHour;
   public ushort wMinute;
   public ushort wSecond;
   public ushort wMilliseconds;
  }

引用：

object oServerTime = SqlHelper.ExecuteScalar(ConnectionString, CommandType.Text,
      "SELECT GETDATE()");
     if (oServerTime != null && oServerTime!= DBNull.Value)
     {
      System.DateTime serverTime = Convert.ToDateTime(oServerTime);

      SystemTime MySystemTime = new SystemTime();
      MySystemTime.wYear=(ushort)serverTime.Year;
      MySystemTime.wMonth=(ushort)serverTime.Month;
      MySystemTime.wDay=(ushort)serverTime.Day;
      MySystemTime.wHour=(ushort)serverTime.Hour;
      MySystemTime.wMinute=(ushort)serverTime.Minute;
      MySystemTime.wSecond=(ushort)serverTime.Second;
      LibWrapDateTime.SetLocalTime(MySystemTime);
     }