ConvertStringNumberToDecimal

private decimal ConvertStringNumberToDecimal(string importTransac)
        {
            CultureInfo enUS = new CultureInfo("en-US");
            CultureInfo esAR = new CultureInfo("es-AR");
            CultureInfo originalCulture = CultureInfo.CurrentCulture;
            decimal importe;
            decimal parse;

            System.Threading.Thread.CurrentThread.CurrentCulture = enUS;

            if (decimal.TryParse(importTransac, out parse) == true)
            {
                importe = decimal.Parse(importTransac);
            }
            else
            {
                System.Threading.Thread.CurrentThread.CurrentCulture = esAR;
                importe = decimal.Parse(importTransac);
            }

            System.Threading.Thread.CurrentThread.CurrentCulture = originalCulture;
            return importe;
        }
        
//importTransac = "11.748,00";
//importTransac = "11,748.00";