VB.NET DateTimeOffset.TryParse方法代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› VB.NET›VB.NET教程

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了VB.NET中System.DateTimeOffset.TryParse方法的典型用法代码示例。如果您正苦于以下问题：VB.NET DateTimeOffset.TryParse方法的具体用法？VB.NET DateTimeOffset.TryParse怎么用？VB.NET DateTimeOffset.TryParse使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.DateTimeOffset的用法示例。

在下文中一共展示了DateTimeOffset.TryParse方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。

示例1:

Dim dateString As String
Dim parsedDate As DateTimeOffset

dateString = "05/01/2008 6:00:00"
' Assume time is local 
If DateTimeOffset.TryParse(dateString, Nothing, _
                           DateTimeStyles.AssumeLocal, _
                           parsedDate) Then
   Console.WriteLine("'{0}' was converted to {1}.", _
                     dateString, parsedDate.ToString())
Else
   Console.WriteLine("Unable to parse '{0}'.", dateString)    
End If

' Assume time is UTC
If DateTimeOffset.TryParse(dateString, Nothing, _
                           DateTimeStyles.AssumeUniversal, _
                           parsedDate) Then
   Console.WriteLine("'{0}' was converted to {1}.", _
                     dateString, parsedDate.ToString())
Else
   Console.WriteLine("Unable to parse '{0}'.", dateString)    
End If

' Parse and convert to UTC 
dateString = "05/01/2008 6:00:00AM +5:00"
If DateTimeOffset.TryParse(dateString, Nothing, _
                           DateTimeStyles.AdjustToUniversal, _
                           parsedDate) Then
   Console.WriteLine("'{0}' was converted to {1}.", _
                     dateString, parsedDate.ToString())
Else
   Console.WriteLine("Unable to parse '{0}'.", dateString)    
End If

开发者ID:VB.NET开发者，项目名称:System，代码行数:34，代码来源:DateTimeOffset.TryParse

输出：

05/01/2008 6:00:00' was converted to 5/1/2008 6:00:00 AM -07:00.
05/01/2008 6:00:00' was converted to 5/1/2008 6:00:00 AM +00:00.
05/01/2008 6:00:00AM +5:00' was converted to 5/1/2008 1:00:00 AM +00:00.

示例2:

Dim parsedDate As DateTimeOffset
Dim dateString As String

' String with date only
dateString = "05/01/2008"
If DateTimeOffset.TryParse(dateString, parsedDate) Then _
   Console.WriteLine("{0} was converted to {1}.", _
                     dateString, parsedDate)

' String with time only
dateString = "11:36 PM"
If DateTimeOffset.TryParse(dateString, parsedDate) Then _
   Console.WriteLine("{0} was converted to {1}.", _
                     dateString, parsedDate)

' String with date and offset 
dateString = "05/01/2008 +7:00"
If DateTimeOffset.TryParse(dateString, parsedDate) Then _
   Console.WriteLine("{0} was converted to {1}.", _
                     dateString, parsedDate)

' String with day abbreviation
dateString = "Thu May 01, 2008"
If DateTimeOffset.TryParse(dateString, parsedDate) Then _
   Console.WriteLine("{0} was converted to {1}.", _
                     dateString, parsedDate)

' String with date, time with AM/PM designator, and offset
dateString = "5/1/2008 10:00 AM -07:00"
If DateTimeOffset.TryParse(dateString, parsedDate) Then _
   Console.WriteLine("{0} was converted to {1}.", _
                     dateString, parsedDate)
' If run on 3/29/07, the example displays the following output
' to the console:
'    05/01/2008 was converted to 5/1/2008 12:00:00 AM -07:00.
'    11:36 PM was converted to 3/29/2007 11:36:00 PM -07:00.
'    05/01/2008 +7:00 was converted to 5/1/2008 12:00:00 AM +07:00.
'    Thu May 01, 2008 was converted to 5/1/2008 12:00:00 AM -07:00.
'    5/1/2008 10:00 AM -07:00 was converted to 5/1/2008 10:00:00 AM -07:00.

开发者ID:VB.NET开发者，项目名称:System，代码行数:39，代码来源:DateTimeOffset.TryParse

注：本文中的System.DateTimeOffset.TryParse方法示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。