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C# Class Yea.DataTypes.ExtensionMethods.DateTimeExtensions

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Public Methods

Method	Description
AddWeeks ( this date, int value ) : System.DateTime	�����������
CalculateAge ( this dateOfBirth ) : int	��������
CalculateAge ( this dateOfBirth, System.DateTime referenceDate ) : int	��������
ConvertToTimeZone ( this date, TimeZoneInfo timeZone ) : System.DateTime	Converts a DateTime to a specific time zone
DateDiff ( this sourceDate, System.DateTime compareDate, DateInterval interval ) : long	ʱ�����
DayOfWeek ( this date, DayOfWeek weekday, CultureInfo cultureInfo = null ) : System.DateTime	ȡ�ñ��ܵ����ڼ�
DaysBetween ( this fromDate, System.DateTime toDate ) : int	������������֮������������
DaysCountOfMonth ( this date ) : int	ȡ�õ�������
DaysInMonth ( this date ) : int	Returns the number of days in the month
DaysLeftInMonth ( this date ) : int	Gets the number of days left in the month based on the date passed in
DaysLeftInWeek ( this date ) : int	Gets the number of days left in a week
DaysLeftInYear ( this date ) : int	Gets the number of days left in a year based on the date passed in
DaysOfYear ( this date ) : int	���ص�ǰ����������ݵ�������
EndOfDay ( this input ) : System.DateTime	Returns the end of the day
FirstDayOfMonth ( this date ) : System.DateTime	Returns the first day of a month based on the date sent in
FirstDayOfQuarter ( this date, System.DateTime quarter1Start = default(DateTime) ) : System.DateTime	Returns the first day of a quarter based on the date sent in
FirstDayOfWeek ( this date, CultureInfo cultureInfo = null ) : System.DateTime	ȡ�ñ��ܵĵ�һ��
FirstDayOfYear ( this date ) : System.DateTime	Returns the first day of a year based on the date sent in
FirstWeekdayOfMonth ( this date, DayOfWeek dayOfWeek ) : System.DateTime	ȡ�õ��µĵ�һ�����ڼ�
FromUnixTime ( this date ) : System.DateTime	Returns the Unix based date as a DateTime object
GetDate ( this dateTime ) : Date
GetQuarter ( this date ) : int	ȡ�õ�ǰʱ�����ڵڣ�����
GetTime ( this dateTime ) : Time
IsDateEqual ( this date, System.DateTime dateToCompare ) : bool	�ж������Ƿ���ͬ������ʱ�䲿��
IsFirstDayOfMonth ( this date ) : bool	�ж��Ƿ�Ϊ���µ�һ��
IsInFuture ( this date ) : bool	Determines if the date is some time in the future
IsInPast ( this date ) : bool	Determines if the date is some time in the past
IsLastDayOfMonth ( this date ) : bool	�ж��Ƿ�Ϊ�������һ��
IsLeapYear ( this date ) : bool
IsTimeEqual ( this time, System.DateTime timeToCompare ) : bool	�ж�ʱ���Ƿ���ͬ���������ڲ���
IsToday ( this date ) : bool	Is this today?
IsWeekDay ( this date ) : bool	Determines if this is a week day
IsWeekEnd ( this date ) : bool	Determines if this is a week end
IsWeekend ( this date ) : bool	�ж��Ƿ�Ϊ��ĩ(����������)
LastDayOfMonth ( this date ) : System.DateTime	Returns the last day of the month based on the date sent in
LastDayOfQuarter ( this date, System.DateTime quarter1Start = default(DateTime) ) : System.DateTime	Returns the last day of a quarter based on the date sent in
LastDayOfWeek ( this date, CultureInfo cultureInfo = null ) : System.DateTime	ȡ�ñ��ܵ����һ��
LastDayOfYear ( this date ) : System.DateTime	Returns the last day of the year based on the date sent in
LastWeekdayOfMonth ( this date, DayOfWeek dayOfWeek ) : System.DateTime	ȡ�õ��µ����һ�����ڼ�
NextDayOfWeek ( this currentDate, DayOfWeek weekday, bool includeCurrentDate = true ) : System.DateTime	ȡ����һ�����ڼ�
PreviousWeekday ( this date, DayOfWeek weekday ) : System.DateTime	ȡ����һ�����ڼ�
RelativeTime ( this input, System.DateTime epoch ) : string	Converts the DateTime object to string describing, relatively how long ago or how far in the future the input is based off of another DateTime object specified. ex: Input=March 21, 2013 Epoch=March 22, 2013 returns "1 day ago" Input=March 22, 2013 Epoch=March 21, 2013 returns "1 day from now"
SetTime ( this date, System.TimeSpan time ) : System.DateTime	Sets the time portion of a specific date
SetTime ( this date, int hour, int minutes, int seconds ) : System.DateTime	Sets the time portion of a specific date
TimeSpanSince1970 ( this datetime ) : System.TimeSpan	ȡ����1970-01-01����ʱ����
ToDateTimeOffset ( this localDateTime, TimeZoneInfo localTimeZone = null ) : DateTimeOffset	תDateTimeOffset
ToUnix ( this date ) : int	Returns the date in Unix format
UTCOffset ( this date ) : double	Gets the UTC offset
WeeksOfYear ( this dateTime, CultureInfo cultureInfo = null ) : int	���ص�ǰ��ݵ���������

Private Methods

Method	Description
LocalTimeZone ( this date ) : TimeZoneInfo
Round ( double dVal ) : long

Method Details