partial void DeleteContactNumber(ContactNumber instance);
 partial void InsertContactNumber(ContactNumber instance);
 partial void UpdateContactNumber(ContactNumber instance);
        public void UpdateContactNumbers(int contactNumberId, string contactNumber)
        {
            try
            {
                ContactNumber table = new ContactNumber();
                using (VenturadaDataContext vdc = new VenturadaDataContext())
                {
                    table = vdc.ContactNumbers.Single(a => a.ContactNumberId == contactNumberId);
                    table.ContactNumber1 = contactNumber;

                    vdc.SubmitChanges();
                }
            }
            catch (Exception ex)
            {

                throw ex;
            }
        }