public string ChangePassword(string creator) { string result = "OK"; DataTable dt = null; try { //Delete device ServiceReference1.WSACUSoapClient client = new ServiceReference1.WSACUSoapClient(); DataSet ds = client.DeviceSave("D", deviceId, deviceName, ip, creator, DateTime.Now); dt = ds.Tables[0]; result = dt.Rows[0][0].ToString(); return(result); } catch (Exception ex) { return(string.Format("Device class - Delete: {0}", ex.ToString())); } }