Convert.ToDecimal (String) converts string to decimal number.
Module Example Public Sub Main() Dim stringVal As String ="123123.123123" Dim decimalVal As Decimal = 0 Try decimalVal = System.Convert.ToDecimal(stringVal) System.Console.WriteLine("The string as a decimal is {0}.",decimalVal) Catch exception As System.Exception System.Console.WriteLine("Exception") End Try stringVal = System.Convert.ToString(decimalVal) System.Console.WriteLine("The decimal as a string is {0}.",stringVal) End Sub End Module