How to send other parameter with form data ?

Question

1.00/5 (1 vote)

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Hi, I want to send View Model using form object by ajax in mvc 5.

Here is my Code:

$("#formID").on("submit", function(event) {
                var $this = $(this);
                var OBJ = $this.serialize();
 $.ajax({
                    cache: false,
                    async: true,
                    type: "POST",
                    url: "@Url.Action("Create", "EmpLoyee")",
                    data: OBJ,
                    contentType: "application/json; charset=utf-8",
                    dataType: "json",
                    traditional: true,
                    success: function(data) {
                        alert(data);
                    }
                });

this is working fine but when I add another parameter Form Object OBJ is going null.

I want to do this.

$("#formID").on("submit", function(event) {
                var $this = $(this);
                var OBJ = $this.serialize();
                var Details2 = ["Saab", "Volvo", "BMW"];
                var Details = "Asif";
 $.ajax({
                    cache: false,
                    async: true,
                    type: "POST",
                    url: "@Url.Action("Create", "EmpLoyee")",
                    data: OBJ,
                    data: JSON.stringify(Details),
                    data: JSON.stringify(Details2),
                    contentType: "application/json; charset=utf-8",
                    dataType: "json",
                    traditional: true,
                    success: function(data) {
                        alert(data);
                    }
                });

Any Suggetion what is wrong in my code

this is controller

public ActionResult Create(EmployeeDAL OBJ, List<string> Details, List<string> Details2)
{

}

What I have tried:

$("#formID").on("submit", function(event) {
                var $this = $(this);
                var OBJ = $this.serialize();
                var Details2 = ["Saab", "Volvo", "BMW"];
                var Details = "Asif";
 $.ajax({
                    cache: false,
                    async: true,
                    type: "POST",
                    url: "@Url.Action("Create", "EmpLoyee")",
                    data: OBJ,
                    data: JSON.stringify(Details),
                    data: JSON.stringify(Details2),
                    contentType: "application/json; charset=utf-8",
                    dataType: "json",
                    traditional: true,
                    success: function(data) {
                        alert(data);
                    }
                });

Posted 30-Sep-20 5:22am

Asif 7969814

Updated 30-Sep-20 6:07am

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2 solutions

Solution 1

You get "one" "data" parameter (name); not as many as you wish.

data: OBJ,
data: JSON.stringify(Details),
data: JSON.stringify(Details2),

Posted 30-Sep-20 6:06am

Gerry Schmitz

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F-ES Sitecore · Accepted Answer · 2020-09-30T06:07:00

I changed your action signature to this

C#

public ActionResult Create(EmployeeDAL OBJ, string Details, List<string> Details2)

because "Details" is a single string rather than an array.

You need to create a single JSON object with a property that maps to each of your param values so;

{
    "OBJ": {"ID":123, "EmployeeName":"John", ...},
    "Details": "Asif",
    "Details2": ["Saab", "Volvo", "BMW"]
}

The tricky bit is getting the form data as a JSON object but the getFormData function below does that, and the other params can be added simply

JavaScript

function getFormData($form) {
    var unindexed_array = $form.serializeArray();
    var indexed_array = {};

    $.map(unindexed_array, function (n, i) {
        indexed_array[n['name']] = n['value'];
    });

    return indexed_array;
}

$("#formID").on("submit", function (event) {
    event.preventDefault();
    var $this = $(this);
    var Details2 = ["Saab", "Volvo", "BMW"];
    var Details = "Asif";
    var allData = {
        "OBJ": getFormData($this),
        "Details": Details,
        "Details2": Details2
    };

    var json = JSON.stringify(allData);

    $.ajax({
        cache: false,
        async: true,
        type: "POST",
        url: "@Url.Action("Create", "Employee")",
        data: json,
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        traditional: true,
        success: function (data) {
            alert(data);
        }
    });
});