值未使用 ajax 从视图传递到控制器

Question

我正在尝试使用 ajax 将一个值传递到我的控制器。

ajax代码如下：

           var myId = $(".slectOne[checked]").attr("data-id");

            $.ajax({
                url: '@Url.Action("reservation_step_1", "Home")', 
                type: 'POST',
                data: { id: myId },
            });

控制器代码如下：

        [HttpPost]
        [AllowAnonymous]
        public ActionResult reservation_step_1(string id)
        {
            string val = id;

            return RedirectToAction("reservation_step_2", "Home", new { val = val });
        }

我不确定我是否做错了什么，但我的 "id" 值在控制器中是 "null"。

Answer 1

这绝对有效。

控制器

public class HomeController : Controller
{
    [HttpPost]
    public ActionResult reservation_step_1(string id)
    {
        string val = id;

        return RedirectToAction("reservation_step_2", "Home", new { val = val });
    }

    //my controller action name, yours is different
    public ActionResult Tut118()
    {
        return View();
    }

查看

@{
    Layout = null;
}
<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>Tut118</title>
    <script src="~/Scripts/jquery-1.12.4.min.js"></script>
    <script type="text/javascript">
        $(function () {
            $("#theButton").click(function () {
                //kudos to 
                var myId = $('.slectOne:checkbox:checked').attr("data-id");
                $.ajax({
                    type: "Post",
                    url: '@Url.Action("reservation_step_1", "Home")',
                    data: { 'id': myId },
                    dataType: 'json',
                    success: function (data) {
                        $.each(data, function (i, anObj) {
                            $("#Asentamientos").append($('<option>').text(anObj.Text).attr('value', anObj.Value));
                        });
                    }
                });
            })

            //kudos to 
            // the selector will match all input controls of type :checkbox
            // and attach a click event handler
            $("input:checkbox").on('click', function () {
                // in the handler, 'this' refers to the box clicked on
                var $box = $(this);
                if ($box.is(":checked")) {
                    // the name of the box is retrieved using the .attr() method
                    // as it is assumed and expected to be immutable
                    var group = "input:checkbox[name='" + $box.attr("name") + "']";
                    // the checked state of the group/box on the other hand will change
                    // and the current value is retrieved using .prop() method
                    $(group).prop("checked", false);
                    $box.prop("checked", true);
                } else {
                    $box.prop("checked", false);
                }
            });
        })
    </script>
</head>
<body>
    <div>
        <h3>CheckBoxes</h3>
        <label>
            <input data-id="1" type="checkbox" class="slectOne" value="1" name="fooby[1][]" />CheckBox1
        </label>
        <label>
            <input data-id="2" type="checkbox" class="slectOne" value="1" name="fooby[1][]" />CheckBox2
        </label>
        <label>
            <input data-id="3" type="checkbox" class="slectOne" value="1" name="fooby[1][]" />CheckBox3
        </label>
    </div>
    <input type="button" id="theButton" value="PassData" />
</body>
</html>

值未使用 ajax 从视图传递到控制器

Value not passing from view to controller using ajax

asp.net-mvc

asp.net-ajax