Convert.ToInt32 (String) converts string to an equivalent 32-bit signed integer.
Module Example Public Sub Main() Dim values() As String = { "One", "1.34e28", "-26.87", "-18", "-6.00", _ " 0", "137", "1601.9", Int32.MaxValue.ToString() } Dim result As Integer For Each value As String In values Try result = Convert.ToInt32(value) Console.WriteLine(result) Catch e As Exception Console.WriteLine("Exception") End Try Next End Sub End Module