当前位置: 首页 > 图文教程 > 网络编程 > ASP > ASP.NET中处理datetime的一些通用函数

ASP
出现404页面错误的自动发送邮件的代码
ASP视频教程:建立显示已经添加的新闻页面
ASP视频教程:使用Eweb编辑器丰富新闻内容的格式
ASP视频教程:建立修改新闻页面
ASP视频教程:制作删除新闻的功能
ASP视频教程:建立产品类别表和添加类别页面
ASP视频教程:建立管理产品的页面
ASP视频教程:制作其它栏目管理页面
ASP实例教程:隐藏下载地址和防盗
ASP教程:虚拟目录下不能上传图片
ASP视频教程:制作网站前台顶部导航页面
ASP视频教程:制作前台导航菜单
ASP视频教程:对前台导航菜单进行调整美化
ASP视频教程:制作新闻中心显示页面
ASP视频教程:制作新闻详细内容显示页面
ASP视频教程:制作前台产品显示页面(按产品类别显示)
ASP视频教程:制作前台产品显示页面(横向重复显示图片)
ASP视频教程:制作在线订购页面
ASP视频教程:制作关于我们和联系我们页面
ASP视频教程:后台功能的一些完善

ASP.NET中处理datetime的一些通用函数


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-11-03   浏览: 221 ::
收藏到网摘: n/a

  '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.AddDa