Int32.Parse Method (String, NumberStyles) Converts string to 32-bit signed integer equivalent.

 

Imports System.Globalization

Module ParseInt32
   Public Sub Main()
      Convert("999.9", NumberStyles.AllowDecimalPoint)
      Convert(" $1,999,999.42", NumberStyles.AllowCurrencySymbol Or NumberStyles.Number)
      Convert("999E06", NumberStyles.AllowExponent)  
      Convert("-1,999,999", NumberStyles.AllowThousands)
      Convert("(1,999,999)", NumberStyles.AllowThousands Or NumberStyles.AllowParentheses)
   End Sub

   Private Sub Convert(value As String, style As NumberStyles)
      Try
         Dim number As Integer = Int32.Parse(value, style)
         Console.WriteLine("Converted '{0}' to {1}.", value, number)
      Catch e As FormatException
         Console.WriteLine("Unable to convert '{0}'.", value)
      Catch e As OverflowException
         Console.WriteLine("'{0}' is out of range of the Int32 type.", value)   
      End Try
   End Sub
End Module

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Int32.Parse Method (String, NumberStyles) Converts string to 32-bit signed integer equivalent. : Integer « Data Types « VB.Net

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