开发学院WEB开发ASP ASP.NET中处理datetime的一些通用函数 阅读

ASP.NET中处理datetime的一些通用函数

 2001-03-23 10:18:27 来源:WEB开发网   
核心提示:'Uses the Timespan method to subtract a certain number of daysFunction Date1() Dim NewTime as DateTime NewTime = DateTime.Now.Subtract( New TimeSpan(7, 0, 0
'Uses the Timespan method to subtract a certain number of days
Function Date1()
   Dim NewTime as DateTime
   NewTime = DateTime.Now.Subtract( New TimeSpan(7, 0, 0, 0) )
   NewTime = NewTime.Format("MM/dd/yyyy", DateTimeFormatInfo)
   response.write(NewTime)
End Function

'Uses the AddDays method to subtract X number of days
Public Function Date2()
 Dim NewTime as DateTime
 NewTime = DateTime.Now.AddDays(-7)
 Dim s as string = NewTime
 return s
End Function

'Thanks to Paul Czywczynski for this idea
'This PRobably (In My opinion) Offers the most flexibility found so far
'Change where the MM/dd/yyyy to whatever
'response.write(System.String.Format("{0:d}",NewTime))
'would return just the name of the Day
Function Date3()
 Dim NewTime as DateTime = now.addDays(-7)
 response.write(System.String.Format("{0:MM/dd/yyyy}",NewTime))
End Function


Function Date4()
Dim NewTime as DateTime
 NewTime = now.addDays(-7)
 return NewTime.ToString()
End Function

'Uses the toLongTimeString method
Public Function Date5()
 Dim NewTime as DateTime
 NewTime = Now()
 return newtime.toLongTimeString()
End Function

'Uses the toShortTimeString method
Public Function Date6()
 Dim NewTime as DateTime
 NewTime = Now()
 return newtime.toShortTimeString()
End Function

'Uses the toLongDateString method
Public Function Date7()
 Dim NewTime as DateTime
 NewTime = Now()
 return newtime.toLongDateString()
End Function

'Uses the toShortDateString method
Public Function Date8()
 Dim NewTime as DateTime
 NewTime = Now()
 return newtime.toShortDatestring()
End Function

'Uses FormatDateTime function General format
Function Date9()
 Dim NewTime as DateTime
 NewTime = DateTime.Now.Subtract( New TimeSpan(7, 0, 0, 0) )
 return formatdatetime(NewTime, 0)
End Function

'Uses FormatDateTime function LongDate format
Function Date10()
 Dim NewTime as DateTime
 NewTime = DateTime.Now.Subtract( New TimeSpan(7, 0, 0, 0) )
 return formatdatetime(NewTime, 1)
End Function

'Uses FormatDateTime function ShortDate format
Function Date11()
 Dim NewTime as DateTime
 NewTime = DateTime.Now.Subtract( New TimeSpan(7, 0, 0, 0) )
 return formatdatetime(NewTime, 2)
End Function

'Uses FormatDateTime function LongTime format
Function Date12()
 Dim NewTime as DateTime
 NewTime = DateTime.Now.Subtract( New TimeSpan(7, 0, 0, 0) )
 return formatdatetime(NewTime, 3)
End Function

'Uses FormatDateTime function ShortTime format
Function Date13()
 Dim NewTime as DateTime
 NewTime = DateTime.Now.Subtract( New TimeSpan(7, 0, 0, 0) )
 return formatdatetime(NewTime, 4)
End Function

'Bring Back just the name of the Day
Function Date14()
 Dim NewTime as DateTime = now.addDays(-7)
 dim s as string
 s = (System.String.Format("{0:dddd}",NewTime))
 Return s
End Function

'Returns the Integer of what day of week
Function Date15()
 Dim MyDate as DateTime
 Dim MyWeekDay as Integer
 MyDate = Now.AddDays(-5)
 MyWeekDay = Weekday(MyDate)  
 return MyWeekDay
End Function

'Returns the Month Integer
Function Date16()
 Dim MyDate as DateTime
 Dim MyMonth as Integer
 MyDate = Now.AddDays(-5)
 MyMonth = Month(MyDate)  
 return MyMonth
End Function

'Returns just a formatted string
'This method provides just formatting but
'Very flexible with not a lot of code
Function Date17()
 Dim MyDate as String
 MyDate = Format(Now(), "yyyy")
 return MyDate
End Function
</script>

Tags:ASP NET 处理

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