// Creates a new instance of UserAccount.
        public void CreateUserAccount(string firstName, string lastName, UserAccount.Genders gender, string course,
                                      string branch, string collegeName, string userId)
        {
            var userAccount = new UserAccount
            {
                FirstName         = firstName,
                LastName          = lastName,
                Gender            = gender,
                Course            = course,
                Branch            = branch,
                CollegeName       = collegeName,
                ApplicationUserId = userId
            };

            db.UserAccounts.Add(userAccount);
            db.SaveChanges();
        }
        // Service to create a new UserAccount without view.
        public void CreateUserAccount(string firstName, string lastName, decimal mobile, UserAccount.Genders gender, string userId)
        {
            try
            {
                var userAccount = new UserAccount
                {
                    FirstName         = firstName,
                    LastName          = lastName,
                    Mobile            = mobile,
                    Gender            = gender,
                    Balance           = (decimal)0, // Initial balance of any user is 0.
                    ApplicationUserId = userId
                };

                db.UserAccounts.Add(userAccount);
                db.SaveChanges();
            }
            catch (DbEntityValidationException e)
            {
                throw;
            }
        }