我在解析日期时收到“字符串未被识别为有效日期”错误
Dim reviewDateString = "02/14/2019 15:06:02"
DateTime.ParseExact(reviewDateString, "MM/dd/yyyy HH:mm:ss",
System.Globalization.DateTimeFormatInfo.InvariantInfo)
我也试过MM / dd / yyyy H:mm:ss格式。那也没有用。任何人都可以让我知道我正在做的错误。
当我将您的确切代码粘贴到dotnetfiddle.net时,我可以看到不可见的字符(用点表示)。你需要清理你的reviewDateString
去除那些。
更新:添加了一个如何使用正则表达式来解析不可见字符的示例(无效的日期字符串字符)
工作小提琴:https://dotnetfiddle.net/iQNhrp
Imports System
Imports System.Text.RegularExpressions
Public Module Module1
Public Sub Main()
Dim reviewDateString = "02/14/2019 15:06:02"
Dim parsedDateString = RegEx.Replace(reviewDateString, "[^0-9a-zA-Z :/]", String.Empty)
Console.WriteLine("Copy and paste this into dotnetfiddle to see it has invisible characters:")
Console.WriteLine(reviewDateString)
Console.WriteLine()
Console.WriteLine("Copy and paste this into dotnetfiddle to see it has no invisible characters, and is a valid date string.")
Console.WriteLine(parsedDateString)
' no parse errors
DateTime.ParseExact(parsedDateString, "MM/dd/yyyy HH:mm:ss", System.Globalization.DateTimeFormatInfo.InvariantInfo)
End Sub
End Module