> For the complete documentation index, see [llms.txt](https://jen-hsuan-hsieh.gitbook.io/asp-net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://jen-hsuan-hsieh.gitbook.io/asp-net/chapter1/1.1.the-complete-asp.net-mvc-5-course/14building-forms/144model-binding.md).

# 1.4.4.Model binding and save data

* 1.Add submit button to the form

```
@using (Html.BeginForm("Create", "Customers"))
{
    <button type="submit" class="btn btn-primary">Save</button>
}
```

* 2.Create a Http POST action

```
        [HttpPost]
        public ActionResult Save(Customer customer)
        {
            if (customer.Id == 0)
            {
                _context.Customers.Add(customer);
            }
            else
            {
                var customersInDb = _context.Customers.Single(c => c.Id == customer.Id);

                //Not recommand
                //TryUpdateModel(customersInDb, "", new string[] {"Name", "Email"});

                customersInDb.Name = customer.Name;
                customersInDb.Birthday = customer.Birthday;
                customersInDb.membershipTypeId = customer.membershipTypeId;
                customersInDb.IsSubscribeToNesletter = customer.IsSubscribeToNesletter;
            }
            _context.SaveChanges();
            return RedirectToAction("Index", "Customers");
        }
```