public string AddNewShippingAddress(int CustomerId, string Firstname, string Lastname, string Email, int Phone, string flat, string street, string landmark, int CountryId, string AreaId) { List <Nullable <decimal> > obj = new List <Nullable <decimal> >(); string[] arr = new string[4]; arr[1] = flat; arr[2] = street; arr[3] = landmark; Common.AddressAttributeValue objC; Common.AddressAttribute objAddAttr; Common.Attributes objAttr = new Common.Attributes(); List <Common.AddressAttribute> objList = new List <Common.AddressAttribute>(); for (int i = 1; i < 4; i++) { objC = new Common.AddressAttributeValue(); objC.Value = arr[i]; objAddAttr = new Common.AddressAttribute(); objAddAttr.ID = i.ToString(); objAddAttr.AddressAttributeValue = objC; objList.Add(objAddAttr); } string ser = SerializeXml.SerializeObject(objList); ser = ser.Replace("<?xml version=\"1.0\" encoding=\"utf-16\"?>\r\n", ""). Replace("xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"", ""). Replace(" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\"", ""); using (var entities = new SedapExpressEntities()) { obj = entities.AddNewShippingAddress(CustomerId, Firstname, Lastname, Email, Phone, ser, CountryId, AreaId).ToList <Nullable <decimal> >(); } return(JsonConvert.SerializeObject(obj)); }