Why does the Model appear to be Null when using an Ajax Call in MVC?

Exploring MVC for the first time and trying to figure out how to pass the Model into an Ajax call. The code below is what I've come up with, but it keeps passing NULL to all properties.

   $("#btnsubmit").click(function () {

        alert('hello');
        var productModel = {
            Name: '<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="5220333f123f333b"><span class="__cf_email__">[email protected]</span></a>',
            Address: "Chai"

        };
        $.ajax({
            type: "POST",
            url: '@Url.Action("ContactDistributor", "AjaxCallTest")',
            contentType: "application/json; charset=utf-8",
            data: JSON.stringify({ model: productModel }),

            dataType: "json",
            success: function () { alert('Success'); },
            error: function (xhr) {
                alert(xhr.error);
            }
        });
        return false;

    });

MODEL :

    public class AjaxCalltestModal
{
    public int Id { get; set; }
    public String Name { get; set; }
    public String Address { get; set; }

}

Controller :

        [HttpPost]
    public ActionResult ContactDistributor(WebApplication1.Models.AjaxCalltestModal a)
    {
        return Json("test");
    }

In need of assistance, please help!

Answer №1

After some troubleshooting, I was able to fix the issue by implementing the following code snippet:

$("#btnsubmit").click(function () {

    alert('hello');
    var productModel = {
        Name: '<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="ddafbcb09db0bcb4b1b4b3bca9b2aff3beb2b0">[email protected]</a>',
        Address: "Chai"

    };
    $.ajax({
        type: "POST",
        url: '@Url.Action("ContactDistributor", "AjaxCallTest")',
        contentType: "application/json; charset=utf-8",
        data: JSON.stringify({ 'model': productModel }),

        dataType: "json",
        success: function () { alert('Success'); },
        error: function (xhr) {
            alert(xhr.error);
        }
    });
    return false;

});

I greatly appreciate all the support and insights provided by everyone. Thank you!

Answer №2

Transforming the productModel object into a JSON string can be done using the method JSON.stringify(). Here's an example:

The initial code snippet:

JSON.stringify({ model: productModel })

can be simplified to:

JSON.stringify(productModel)

Answer №3

It is highly recommended to use a JavaScript object when setting data instead of attempting to convert it to a string. It's worth noting that the query ajax method typically handles this conversion process automatically.

data:  productModel 

Answer №4

Although this question is old, the solution provided could potentially assist someone in need down the road. In case you encounter a property named "Model" in your model, be aware that the MVC parser may not handle it correctly and return null. To resolve this issue, simply rename the property to something else and everything should function as expected.

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