The issue I am facing is that whenever I use an AJAX POST request,

I encountered an issue where the ajax post method was unable to pass a parameter to the controller, as the controller parameter always appeared as Null.

Index.schtml: I attempted to initiate a new view via a parameter by triggering an element in HTML and passing the controller and action using Url.Action within the element. Following that, I executed the script:

function getPList(target)
{
    var Pdata = JSON.stringify({
         'sNo': "88888888"
    });
    $ajax({
        type: "POST",
        dataType: 'json',
        contentType: 'application/json',
        url: target,
        data: Pdata,
        success: function (data) {
            console.log("Response Data ↓");
            console.log(data);
        }
    });
}

Controller:

public ActionResult PListIndex(String sNo)
{
     return View(sNo);
}

How can I successfully pass the controller parameter?

Answer №1

Ensure your controller variable is named consistently, as it appears to be called sNo while the JavaScript variable is named pNo.

Consider passing data using this format for better organization:

 $ajax({
        type: "POST",
        dataType: 'json',
        contentType: 'application/json',
        url: target,
        data: { sNo: "888888" },
        success: function (data) {
            console.log("Response Data ↓");
            console.log(data);
        }
    });

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