C# generates MD5 function code

public static string GetMD5(string sDataIn)
        {
            MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
            byte[] bytValue, bytHash;
            bytValue = .(sDataIn);
            bytHash = (bytValue);
            ();
            string sTemp = "";
            for (int i = 0; i < ; i++)
            {
                sTemp += bytHash[i].ToString("X").PadLeft(2, '0');
            }
            return ();
        }