seedMethod

private static void SeedUsers(JSON.Data.JsonContext context)
        {
            XDocument xmlDoc = XDocument.Load("../../../../users.xml");

            var users =
                from user in xmlDoc.Descendants("user")
                select new
                {
                    FirstName = user.Attribute("first-name") != null ? user.Attribute("first-name").Value : null,
                    LastName = user.Attribute("last-name").Value,
                    Age = user.Attribute("age") != null ? user.Attribute("age").Value : null
                };

            foreach (var user in users)
            {
                var dbUser = new User
                {
                    FirstName = !string.IsNullOrEmpty(user.FirstName) ? user.FirstName : string.Empty,
                    LastName = user.LastName,
                    Age = !string.IsNullOrEmpty(user.Age) ? int.Parse(user.Age) : 0
                };

                context.Users.Add(dbUser);
            }

            context.SaveChanges();
        }