本文整理匯總了VB.NET中System.Byte.Parse方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET Byte.Parse方法的具體用法？VB.NET Byte.Parse怎麽用？VB.NET Byte.Parse使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Byte的用法示例。
在下文中一共展示了Byte.Parse方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1:
Dim style As NumberStyles
Dim culture As CultureInfo
Dim value As String
Dim number As Byte
' Parse number with decimals.
' NumberStyles.Float includes NumberStyles.AllowDecimalPoint.
style = NumberStyles.Float
culture = CultureInfo.CreateSpecificCulture("fr-FR")
value = "12,000"
number = Byte.Parse(value, style, culture)
Console.WriteLine("Converted '{0}' to {1}.", value, number)
culture = CultureInfo.CreateSpecificCulture("en-GB")
Try
number = Byte.Parse(value, style, culture)
Console.WriteLine("Converted '{0}' to {1}.", value, number)
Catch e As FormatException
Console.WriteLine("Unable to parse '{0}'.", value)
End Try
value = "12.000"
number = Byte.Parse(value, style, culture)
Console.WriteLine("Converted '{0}' to {1}.", value, number)輸出：
Converted '12,000' to 12. Unable to parse '12,000'. Converted '12.000' to 12.
示例2:
Dim value As String
Dim style As NumberStyles
Dim number As Byte
' Parse value with no styles allowed.
style = NumberStyles.None
value = " 241 "
Try
number = Byte.Parse(value, style)
Console.WriteLine("Converted '{0}' to {1}.", value, number)
Catch e As FormatException
Console.WriteLine("Unable to parse '{0}'.", value)
End Try
' Parse value with trailing sign.
style = NumberStyles.Integer Or NumberStyles.AllowTrailingSign
value = " 163+"
number = Byte.Parse(value, style)
Console.WriteLine("Converted '{0}' to {1}.", value, number)
' Parse value with leading sign.
value = " +253 "
number = Byte.Parse(value, style)
Console.WriteLine("Converted '{0}' to {1}.", value, number)
' This example displays the following output to the console:
' Unable to parse ' 241 '.
' Converted ' 163+' to 163.
' Converted ' +253 ' to 253.示例3:
Dim stringToConvert As String = " 162"
Dim byteValue As Byte
Try
byteValue = Byte.Parse(stringToConvert)
Console.WriteLine("Converted '{0}' to {1}.", stringToConvert, byteValue)
Catch e As FormatException
Console.WriteLine("Unable to parse '{0}'.", stringToConvert)
Catch e As OverflowException
Console.WriteLine("'{0}' is greater than {1} or less than {2}.", _
stringToConvert, Byte.MaxValue, Byte.MinValue)
End Try輸出：
Converted ' 162' to 162.
示例4:
Dim stringToConvert As String
Dim byteValue As Byte
stringToConvert = " 214 "
Try
byteValue = Byte.Parse(stringToConvert, CultureInfo.InvariantCulture)
Console.WriteLine("Converted '{0}' to {1}.", stringToConvert, byteValue)
Catch e As FormatException
Console.WriteLine("Unable to parse '{0}'.", stringToConvert)
Catch e As OverflowException
Console.WriteLine("'{0}' is greater than {1} or less than {2}.", _
stringToConvert, Byte.MaxValue, Byte.MinValue)
End Try
stringToConvert = " + 214 "
Try
byteValue = Byte.Parse(stringToConvert, CultureInfo.InvariantCulture)
Console.WriteLine("Converted '{0}' to {1}.", stringToConvert, byteValue)
Catch e As FormatException
Console.WriteLine("Unable to parse '{0}'.", stringToConvert)
Catch e As OverflowException
Console.WriteLine("'{0}' is greater than {1} or less than {2}.", _
stringToConvert, Byte.MaxValue, Byte.MinValue)
End Try
stringToConvert = " +214 "
Try
byteValue = Byte.Parse(stringToConvert, CultureInfo.InvariantCulture)
Console.WriteLine("Converted '{0}' to {1}.", stringToConvert, byteValue)
Catch e As FormatException
Console.WriteLine("Unable to parse '{0}'.", stringToConvert)
Catch e As OverflowException
Console.WriteLine("'{0}' is greater than {1} or less than {2}.", _
stringToConvert, Byte.MaxValue, Byte.MinValue)
End Try輸出：
Converted ' 214 ' to 214. Unable to parse ' + 214 '. Converted ' +214 ' to 214.