<form id ="FormLogin">
        @Html.AntiForgeryToken()
        <input class="login" id="username" type="text" placeholder="username">
        <input class="password" id="password" type="password" placeholder="password">
        <button id="buttonFormLogin"><img src="~/Content/img/enter.png" alt="enter">Log in</button>
        <a class="forgot" href="@Url.Action("Check1", "Home")">Forgot Password</a>
    </form>

[RequireHttps]
[RoutePrefix("Home")]
public class HomeController : Controller
{
    [HttpPost]
    [ValidateAntiForgeryToken]
    [Route("Check")]
    public ActionResult CheckLogin(LoginAccount i_User)
    {
        if (ModelState.IsValid)
        {

        }

        return RedirectToAction("Login");
    }
}

public class LoginAccount
{
    [StringLength(15)]
    [RegularExpression("(^[0-9a-zA-Z]{1,15}$)")]
    [Required(ErrorMessage = "Username is required")]
    [DataType(DataType.Text)]
    public string Username { get; set; }

    [StringLength(15)]
    [RegularExpression("(^[0-9a-zA-Z@!%]{1,15}$)")]
    [DataType(DataType.Password)]
    public string Password { get; set; }
}

$('#buttonFormLogin').click(function () {
    $('form#FormLogin').submit();
});

$("#FormLogin").on('submit', function (e) {
    e.preventDefault();
    var data = {
        Username: $('#username').val(),
        Password: $('#password').val()
    };

    $.post('@Url.Action("Check", "Home")', { i_User: data },
        function () { alert('Successfully posted to server'); });
});