C# 클래스 EnterpriseWebLibrary.DateTimeTools

Provides helpful DateTime methods.

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공개 메소드들

메소드	설명
DateRangesCoverAllDates ( System.DateTime beginDate, System.DateTime endDate, DateTime?>.IEnumerable dateRanges ) : bool	Returns true when each day between begin and end dates is represented inside one of the date ranges in dateRanges, inclusive. Be sure time information is not included. No begin date may be after an end date.
DateRangesOverlap ( System.DateTime rangeOneBegin, System.DateTime rangeOneEnd, System.DateTime rangeTwoBegin, System.DateTime rangeTwoEnd ) : bool	Returns true if the two given date ranges overlap. Passing null for any date means infinity in that direction. Throws an exception if any of the given dates contains time information. Use .Date if you have to. See documentation for IsBetweenDates for more information on the date ranges.
DateTimeRangeOverlapsDateRange ( System.DateTime dateTimeRangeBegin, System.DateTime dateTimeRangeEnd, System.DateTime dateRangeBegin, System.DateTime dateRangeEnd ) : bool	Returns true if the specified date/time range overlaps the specified date range. Passing null for any date means infinity in that direction. Throws an exception if the date range contains time information. Use .Date if you have to. See documentation for IsBetweenDates for more information on the date range.
DateTimeRangesOverlap ( System.DateTime rangeOneBegin, System.DateTime rangeOneEnd, System.DateTime rangeTwoBegin, System.DateTime rangeTwoEnd ) : bool	Returns true if the two given DateTime ranges overlap. Passing null for any date/time means infinity in that direction.
GetDateOfDayOfWeekInMonth ( int year, int month, DayOfWeek day, int weeksFromFirst ) : System.DateTime	Gets the date of the specified day of the week in the specified month.
GetNumberOfFullYearsBetweenDates ( System.DateTime beginDate, System.DateTime endDate ) : int	This is useful for calculating someone's age. Beginning date must be before or equal to end date.
HasTime ( this dateTime ) : bool	Returns true if this date/time contains time information.
IsBetweenDateTimes ( this dateTime, System.DateTime onOrAfterDate, System.DateTime onOrBeforeDate ) : bool	Returns true if this date is in between the given DateTimes (inclusive at beginning of range, exclusive at end of range). Passing null for either of the two dates is considered to be infinity in that direction. Therefore, passing null for both dates will always result in true.
IsBetweenDates ( this dateTime, System.DateTime onOrAfterDate, System.DateTime onOrBeforeDate ) : bool	Returns true if this date is in between (inclusive) the given dates. This method differs from IsBetweenDateTimes in that onOrAfterDate and onOrBeforeDate must be dates only (an exception will be thrown if time information is passed - use .Date if you have to.) and that it is inclusive on both ends of the range. This method also correctly returns true in the case where the dateTime parameter is 3:30PM on 11/15/09 and the onOrBeforeDate is 11/15/09. If you want to define a range with time information, use IsBetweenDateTimes instead. Passing null for either of the two dates is considered to be infinity in that direction. Therefore, passing null for both dates will always result in true.
MonthBeginDate ( this date ) : System.DateTime	Returns the begin date of the specified date's month.
ToDayMonthYearString ( this dateTime, bool useLeadingZero, bool includeDayOfWeek = false ) : string	Formats the date portion of the specified date/time in "day month year" style, e.g. 5 Apr 2008.
ToDayMonthYearString ( this dateTime, string stringIfNull, bool useLeadingZero, bool includeDayOfWeek = false ) : string	Formats the date portion of the specified date/time in "day month year" style, e.g. 5 Apr 2008. Returns stringIfNull if the specified date/time is null.
ToHourAndMinuteString ( this dateTime ) : string	Formats the time portion of the specified date/time in hour:minute style followed by a single lowercase letter indicating AM or PM.
ToHourAndMinuteString ( this dateTime, string stringIfNull ) : string	Formats the time portion of the specified date/time in hour:minute style followed by a single lowercase letter indicating AM or PM. Returns stringIfNull if the specified date/time is null.
ToMonthDayYearString ( this dateTime ) : string	Formats the date portion of the specified date/time in "01/01/2001" style.
ToMonthDayYearString ( this dateTime, string stringIfNull ) : string	Formats the date portion of the specified date/time in "01/01/2001" style. Returns stringIfNull if the specified date/time is null.
ToMonthYearString ( this dateTime ) : string	Formats the date portion of the specified date/time in "month year" style, e.g. April 2008.
WeekBeginDate ( this dateTime ) : System.DateTime	Returns the date that the given week starts on.
WeeksFromFirstOccurrenceOfDayOfWeekInMonth ( this date, bool countBackwardFromFirstOccurrenceInNextMonth ) : int	Returns the number of weeks from the first occurrence of the specified date's day of the week in the month to the specified date.

비공개 메소드들

메소드	설명
assertDateTimeHasNoTime ( System.DateTime dateTime, string name ) : void

메소드 상세

DateRangesCoverAllDates() 공개 정적인 메소드

Returns true when each day between begin and end dates is represented inside one of the date ranges in dateRanges, inclusive. Be sure time information is not included. No begin date may be after an end date.

public static DateRangesCoverAllDates ( System.DateTime beginDate, System.DateTime endDate, DateTime?>.IEnumerable dateRanges ) : bool
beginDate	System.DateTime
endDate	System.DateTime
dateRanges	DateTime?>.IEnumerable
리턴	bool

DateRangesOverlap() 공개 정적인 메소드

Returns true if the two given date ranges overlap. Passing null for any date means infinity in that direction. Throws an exception if any of the given dates contains time information. Use .Date if you have to. See documentation for IsBetweenDates for more information on the date ranges.

public static DateRangesOverlap ( System.DateTime rangeOneBegin, System.DateTime rangeOneEnd, System.DateTime rangeTwoBegin, System.DateTime rangeTwoEnd ) : bool
rangeOneBegin	System.DateTime
rangeOneEnd	System.DateTime
rangeTwoBegin	System.DateTime
rangeTwoEnd	System.DateTime
리턴	bool

DateTimeRangeOverlapsDateRange() 공개 정적인 메소드

Returns true if the specified date/time range overlaps the specified date range. Passing null for any date means infinity in that direction. Throws an exception if the date range contains time information. Use .Date if you have to. See documentation for IsBetweenDates for more information on the date range.

public static DateTimeRangeOverlapsDateRange ( System.DateTime dateTimeRangeBegin, System.DateTime dateTimeRangeEnd, System.DateTime dateRangeBegin, System.DateTime dateRangeEnd ) : bool
dateTimeRangeBegin	System.DateTime
dateTimeRangeEnd	System.DateTime
dateRangeBegin	System.DateTime
dateRangeEnd	System.DateTime
리턴	bool

DateTimeRangesOverlap() 공개 정적인 메소드

Returns true if the two given DateTime ranges overlap. Passing null for any date/time means infinity in that direction.

public static DateTimeRangesOverlap ( System.DateTime rangeOneBegin, System.DateTime rangeOneEnd, System.DateTime rangeTwoBegin, System.DateTime rangeTwoEnd ) : bool
rangeOneBegin	System.DateTime
rangeOneEnd	System.DateTime
rangeTwoBegin	System.DateTime
rangeTwoEnd	System.DateTime
리턴	bool

GetDateOfDayOfWeekInMonth() 공개 정적인 메소드

Gets the date of the specified day of the week in the specified month.

public static GetDateOfDayOfWeekInMonth ( int year, int month, DayOfWeek day, int weeksFromFirst ) : System.DateTime
year	int	The year.
month	int	The month.
day	DayOfWeek	The day of the week.
weeksFromFirst	int	The number of weeks from the first occurrence of the specified day of the week in the month. Pass a negative value to count /// backward from the first occurrence in the next month.
리턴	System.DateTime

GetNumberOfFullYearsBetweenDates() 공개 정적인 메소드

This is useful for calculating someone's age. Beginning date must be before or equal to end date.

public static GetNumberOfFullYearsBetweenDates ( System.DateTime beginDate, System.DateTime endDate ) : int
beginDate	System.DateTime
endDate	System.DateTime
리턴	int

HasTime() 공개 정적인 메소드

Returns true if this date/time contains time information.

public static HasTime ( this dateTime ) : bool
dateTime	this
리턴	bool

IsBetweenDateTimes() 공개 정적인 메소드

Returns true if this date is in between the given DateTimes (inclusive at beginning of range, exclusive at end of range). Passing null for either of the two dates is considered to be infinity in that direction. Therefore, passing null for both dates will always result in true.

public static IsBetweenDateTimes ( this dateTime, System.DateTime onOrAfterDate, System.DateTime onOrBeforeDate ) : bool
dateTime	this
onOrAfterDate	System.DateTime
onOrBeforeDate	System.DateTime
리턴	bool

IsBetweenDates() 공개 정적인 메소드

Returns true if this date is in between (inclusive) the given dates. This method differs from IsBetweenDateTimes in that onOrAfterDate and onOrBeforeDate must be dates only (an exception will be thrown if time information is passed - use .Date if you have to.) and that it is inclusive on both ends of the range. This method also correctly returns true in the case where the dateTime parameter is 3:30PM on 11/15/09 and the onOrBeforeDate is 11/15/09. If you want to define a range with time information, use IsBetweenDateTimes instead. Passing null for either of the two dates is considered to be infinity in that direction. Therefore, passing null for both dates will always result in true.

public static IsBetweenDates ( this dateTime, System.DateTime onOrAfterDate, System.DateTime onOrBeforeDate ) : bool
dateTime	this
onOrAfterDate	System.DateTime
onOrBeforeDate	System.DateTime
리턴	bool

MonthBeginDate() 공개 정적인 메소드

Returns the begin date of the specified date's month.

public static MonthBeginDate ( this date ) : System.DateTime
date	this
리턴	System.DateTime

ToDayMonthYearString() 공개 정적인 메소드

Formats the date portion of the specified date/time in "day month year" style, e.g. 5 Apr 2008.

public static ToDayMonthYearString ( this dateTime, bool useLeadingZero, bool includeDayOfWeek = false ) : string
dateTime	this
useLeadingZero	bool
includeDayOfWeek	bool
리턴	string

ToDayMonthYearString() 공개 정적인 메소드

Formats the date portion of the specified date/time in "day month year" style, e.g. 5 Apr 2008. Returns stringIfNull if the specified date/time is null.

public static ToDayMonthYearString ( this dateTime, string stringIfNull, bool useLeadingZero, bool includeDayOfWeek = false ) : string
dateTime	this
stringIfNull	string
useLeadingZero	bool
includeDayOfWeek	bool
리턴	string

ToHourAndMinuteString() 공개 정적인 메소드

Formats the time portion of the specified date/time in hour:minute style followed by a single lowercase letter indicating AM or PM.

public static ToHourAndMinuteString ( this dateTime ) : string
dateTime	this
리턴	string

ToHourAndMinuteString() 공개 정적인 메소드

Formats the time portion of the specified date/time in hour:minute style followed by a single lowercase letter indicating AM or PM. Returns stringIfNull if the specified date/time is null.

public static ToHourAndMinuteString ( this dateTime, string stringIfNull ) : string
dateTime	this
stringIfNull	string
리턴	string

ToMonthDayYearString() 공개 정적인 메소드

Formats the date portion of the specified date/time in "01/01/2001" style.

public static ToMonthDayYearString ( this dateTime ) : string
dateTime	this
리턴	string

ToMonthDayYearString() 공개 정적인 메소드

Formats the date portion of the specified date/time in "01/01/2001" style. Returns stringIfNull if the specified date/time is null.

public static ToMonthDayYearString ( this dateTime, string stringIfNull ) : string
dateTime	this
stringIfNull	string
리턴	string

ToMonthYearString() 공개 정적인 메소드

Formats the date portion of the specified date/time in "month year" style, e.g. April 2008.

public static ToMonthYearString ( this dateTime ) : string
dateTime	this
리턴	string

WeekBeginDate() 공개 정적인 메소드

Returns the date that the given week starts on.

public static WeekBeginDate ( this dateTime ) : System.DateTime
dateTime	this
리턴	System.DateTime

WeeksFromFirstOccurrenceOfDayOfWeekInMonth() 공개 정적인 메소드

Returns the number of weeks from the first occurrence of the specified date's day of the week in the month to the specified date.

public static WeeksFromFirstOccurrenceOfDayOfWeekInMonth ( this date, bool countBackwardFromFirstOccurrenceInNextMonth ) : int
date	this
countBackwardFromFirstOccurrenceInNextMonth	bool
리턴	int