// GET api/values/5 public List <ContactDetails> GetAllContacts() { ContactDatabase contactDatabase = new ContactDatabase(); var contactList = contactDatabase.GetAllContacts(); var allcontacts = (from c in contactList select new ContactDetails { Id = c.Id, FirstName = c.FirstName, LastName = c.LastName, Email = c.Email, PhoneNumber = c.PhoneNumber, IsActive = c.Status }).ToList(); ///To Save a Contact ///Post("xyz","lmn","*****@*****.**",12345); ///Delete a Contact ///Delete(3); --Id to deleted return(allcontacts); }