asp.net mvc - How to extend formdata with Javascript and post it to the Controller -


this question has answer here:

how can somehow extend formdata in javascript variable available in controller post action.

so want is, add variable update (which bool) , send formdata controller.

here's code of .js file & controller code

    bootbox.confirm("are sure want override quotation?", function (result) {         if (result === null) {            //do nothing         } else if (result) {            if (!$form[0].checkvalidity()) {                return false;            }             var btn = $('#savequotationform');            btn.attr('onclick', '');            btn.attr('class', 'glyphicon glyphicon-floppy-save');            btn.text('saving...');             var formurl = $form.attr('action');            var formdata = $form.serialize();             console.log(formurl + " =formurl");            console.log(formdata + " =formdata");             //tricky part, want this:            //var update = new boolean(false);            //formdata.append(update, true); --> not way go :), got idea's?**             $.post(formurl, formdata, function (data) {                 if (data && data.state === 'success') {                     btn.attr('class', 'glyphicon glyphicon-floppy-saved');                     btn.text('saved');                     $('#placeholderalert').append('<div class="alert alert-success" role="alert"><strong>saved</strong> ' + data.message + '</div>');                 } else {                     btn.attr('class', 'glyphicon glyphicon-floppy-remove');                     btn.text('saving failed');                 }           });        }   });         [httppost]     [validateantiforgerytoken]     public jsonnetresult products_quotation_save(vmproducts_quotation_save quotation)     {         quotation.datecreated = datetime.now;         quotationcache.instance.savequotation(getclientcode(httpcontext), getusername(httpcontext), quotation, musecontext);         return jsonnet(new { state = "success", message = "quotation '" + quotation.name + "' has been saved reference " + quotation.shortcode + ". <a href=" + url.action(routeitemaction.resaplus_quotations) + " class=\"alert-link\">go overview</a>" });     }

edit: indeed duplicate of question, apologies that. fixed 1 of answers provided here: jquery form.serialize , other parameters

so created variable , added $.param, in controller have access param.

var update = { 'update': true }; var formurl = $form.attr('action'); var formdata = $form.serialize() + '&' + $.param(update);  $.post(formurl, formdata, function (data) {  });  [httppost] [validateantiforgerytoken] public jsonnetresult products_quotation_save(vmproducts_quotation_save quotation, bool update) { }

you can use serializearray() create update-able object. http://api.jquery.com/serializearray/

var formdata = $form.serializearray(); formdata.push({name: 'update', value: true});  $.post(formurl, formdata, function (data)

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