Class DateUtil

Provide utitilies about handling DateTime values

Inheritance
object
DateUtil
Inherited Members
Namespace: Reportman.Drawing
Assembly: Reportman.Drawing.dll
Syntax
public class DateUtil

Constructors

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DateUtil()

Declaration
public DateUtil()

Fields

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FIRST_DELPHI_DAY

Declaration
public static DateTime FIRST_DELPHI_DAY
Field Value
Type Description
DateTime

Methods

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AddWorkableDays(DateTime, int)

Declaration
public static DateTime AddWorkableDays(DateTime value, int days)
Parameters
Type Name Description
DateTime value
int days
Returns
Type Description
DateTime
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DateTimeToDelphiDate(DateTime)

Converts a DateTime to a double value representing the number of days from 30 Dec 1899

Declaration
public static double DateTimeToDelphiDate(DateTime avalue)
Parameters
Type Name Description
DateTime avalue
Returns
Type Description
double
View Source

DateTimeToDelphiDateTime(DateTime)

Converts a DateTime to a double value representing the number of days from 30 Dec 1899 It mantains the time

Declaration
public static double DateTimeToDelphiDateTime(DateTime avalue)
Parameters
Type Name Description
DateTime avalue
Returns
Type Description
double
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DateTimeToFbLiteralHour(DateTime)

Declaration
public static string DateTimeToFbLiteralHour(DateTime nvalue)
Parameters
Type Name Description
DateTime nvalue
Returns
Type Description
string
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DateTimeToUnixTimestamp(DateTime)

Declaration
public static double DateTimeToUnixTimestamp(DateTime dateTime)
Parameters
Type Name Description
DateTime dateTime
Returns
Type Description
double
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DateToISO8601(DateTime, bool)

Declaration
public static string DateToISO8601(DateTime value, bool useZone)
Parameters
Type Name Description
DateTime value
bool useZone
Returns
Type Description
string
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DateToSqlLiteral(DateTime)

Calculates the sql literal date value, to include it in sql sentences

Declaration
public static string DateToSqlLiteral(DateTime value)
Parameters
Type Name Description
DateTime value
Returns
Type Description
string

The sql representation, with quotes of the date (not including time information)
View Source

DelphiDateTimeToTimeSpan(double)

Converts a Delphi DateTime to a TimeSpan, time since 30 DEC 1899

Declaration
public static TimeSpan DelphiDateTimeToTimeSpan(double avalue)
Parameters
Type Name Description
double avalue
Returns
Type Description
TimeSpan
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DelphiDateToDateTime(double)

Converts a double representing the number of days from 30 Dec 1899 to DateTime

Declaration
public static DateTime DelphiDateToDateTime(double avalue)
Parameters
Type Name Description
double avalue
Returns
Type Description
DateTime
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IsDateTime(string, out DateTime)

Declaration
public static bool IsDateTime(string val, out DateTime result)
Parameters
Type Name Description
string val
DateTime result
Returns
Type Description
bool
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LastDayOfMonth(DateTime)

Declaration
public static DateTime LastDayOfMonth(DateTime value)
Parameters
Type Name Description
DateTime value
Returns
Type Description
DateTime
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NextDayOfMonth(DateTime, int)

Declaration
public static DateTime NextDayOfMonth(DateTime value, int nday)
Parameters
Type Name Description
DateTime value
int nday
Returns
Type Description
DateTime
View Source

NextFriDay(DateTime)

Declaration
public static DateTime NextFriDay(DateTime value)
Parameters
Type Name Description
DateTime value
Returns
Type Description
DateTime
View Source

NextSaturday(DateTime)

Declaration
public static DateTime NextSaturday(DateTime value)
Parameters
Type Name Description
DateTime value
Returns
Type Description
DateTime