Question

I am trying to figure out how I can send some information from a form to a Web API action. This is the jQuery/AJAX I’m trying to use:

var source = { 
        'ID': 0, 
        'ProductID': $('#ID').val(), 
        'PartNumber': $('#part-number').val(),
        'VendorID': $('#Vendors').val()
    }

    $.ajax({
        type: "POST",
        dataType: "json",
        url: "/api/PartSourceAPI/",
        data: JSON.stringify({ model: source }),
        success: function (data) {
            alert('success');
        },
        error: function (error) {
            jsonValue = jQuery.parseJSON(error.responseText);
            jError('An error has occurred while saving the new part source: ' + jsonValue, { TimeShown: 3000 });
        }
    });

Here is my model

public class PartSourceModel
{
    public int ID { get; set; }
    public int ProductID { get; set; }
    public int VendorID { get; set; }
    public string PartNumber { get; set; }
}

Here is my view

<div id="part-sources">
    @foreach (SmallHorse.ProductSource source in Model.Sources)
    {
        @source.ItemNumber <br />
    }
</div>
<label>Part Number</label>
<input type="text" id="part-number" name="part-number" />

<input type="submit" id="save-source" name="save-source" value="Add" />

Here is my controller action

// POST api/partsourceapi
public void Post(PartSourceModel model)
{
    // currently no values are being passed into model param
}

What am I missing? right now when I debug and step through this when the ajax request hits the controller action there is nothing being passed into the model param.

Answer 1

Try this:

jquery

    $('#save-source').click(function (e) {
        e.preventDefault();
        var source = {
            'ID': 0,
            //'ProductID': $('#ID').val(),
            'PartNumber': $('#part-number').val(),
            //'VendorID': $('#Vendors').val()
        }
        $.ajax({
            type: "POST",
            dataType: "json",
            url: "/api/PartSourceAPI",
            data: source,
            success: function (data) {
                alert(data);
            },
            error: function (error) {
                jsonValue = jQuery.parseJSON(error.responseText);
                //jError('An error has occurred while saving the new part source: ' + jsonValue, { TimeShown: 3000 });
            }
        });
    });

Controller

    public string Post(PartSourceModel model)
    {
        return model.PartNumber;
    }

View

<label>Part Number</label>
<input type="text" id="part-number" name="part-number" />

<input type="submit" id="save-source" name="save-source" value="Add" />

Now when you click ‘Add‘ after you fill out the text box, the controller will spit back out what you wrote in the PartNumber box in an alert.