Data Types VB.Net

Imports System.Numerics
Imports System
Imports System.Globalization
Module Example
   Public Sub Main()
        Dim numericString As String
        Dim number As BigInteger = BigInteger.Zero
        
        numericString = "  -300   "
        If BigInteger.TryParse(numericString, NumberStyles.Integer,
                               Nothing, number) Then
           Console.WriteLine("'{0}' was converted to {1}.",
                             numericString, number)                             
        Else
           Console.WriteLine("Conversion of '{0}' to a BigInteger failed.",
                             numericString)
        End If                                             
    End Sub
End Module