[英]Unable to convert MySQL date/time value to System.DateTime vb.net
[英]DateTime change date value and set specific value of time in VB.Net
我有這個價值
Dim start_time As String = 12/30/1899 8:30:00 PM
然后我想將其更改為
Dim final_start_time As String = 0000-00-00 20:30:00 ' i want to come up with this value
或另一個例子是
Dim start_time As String = 12/30/1899 10:30:00 AM
至
Dim final_start_time As String = 0000-00-00 10:30:00
試試這個鏈接:
http://msdn.microsoft.com/en-us/library/zdtaw1bw(v=vs.110).aspx
和這個:
http://msdn.microsoft.com/en-us/library/vstudio/az4se3k1(v=vs.100).aspx
您使用.tostring方法,並指定一種格式。
根據您修改后的問題,下面是一些代碼。 必要時進行修改。 我使用es-ES作為文化..實際上不知道是什么文化...但是在dateformat MSDN頁面上,這似乎生成了您想要的格式...
Dim myOriginalDateTime As DateTime = Now
Dim mynewDateString As String = ""
Dim myFinalDateString As String = ""
Dim culture As New System.Globalization.CultureInfo("es-ES")
mynewDateString = myOriginalDateTime.ToString("G", culture)
Dim arrDateParts() As String = Split(mynewDateString, " ")
myFinalDateString = "0000-00-00 " & arrDateParts(1)
MsgBox(myFinalDateString)
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