无法将数据从JavaScript传递到JSON

Question

I want to pass data from hands on table to servlet . I have tried a method in which I am able to get the data when iItry to pass to servlet I am not able to get the data from request.getParameter("forecastdata"); which is null. Please tell what is the mistake in my code ArrayToJson

@WebServlet("/arrayToJson/*")
public class ArrayToJson extends HttpServlet {
    @Override
    protected void doPost(final HttpServletRequest request,
            final HttpServletResponse response) throws ServletException,
            IOException {
        StringBuffer jb = new StringBuffer();
        String line = null;
        request.getParameter("forecastdata");
        ;
    }
}

JavaScript

$("#divButtons").find(".btnSubmit").click(function () {
    console.log($container.data('handsontable').getData());
   var forecast=$container.data('handsontable').getData()
    $.ajax({
        url: "/Pj_IFRS_P5/arrayToJson",
        data: {
            forecastdata: forecast
        }, //returns all cells' data
        dataType: 'json',
        type: 'POST',
        success: function (data) {
            if (data.result === 'ok') {
                console.log('Data saved');
            } else {
                console.log('Save error');
            }
        },
        error: function () {
            console.log('Save error. POST method is not allowed on GitHub Pages. Run this example on your  own server to see the success message.');
        }
    });
});

$("#handsontable").handsontable(config);


});

Answer 1

since you're using jquery you can check your condition and disable the row fully by using a filter. there are lot of examples out there and even in stackoverflow .

one example and fiddle is HERE

if that is your case now, this might answer it !