asp.net mvc 4 - Cannot read property 'opacity' of undefined -
i loading fine uploader in manner:
var uploader = new qq.fineuploaderbasic({ button: $("#docaddhref"), request: { endpoint: 'server/handleuploads' }, validation: { allowedextensions: ['jpeg', 'jpg', 'gif', 'png'], sizelimit: 204800 // 200 kb = 200 * 1024 bytes }, callbacks: { onsubmit: function (id, filename) { $messages.append('<div id="file-' + id + '" class="alert" style="margin: 20px 0 0"></div>'); }, onupload: function (id, filename) { $('#file-' + id).addclass('alert-info') .html('<img src="client/loading.gif" alt="initializing. please hold."> ' + 'initializing ' + '“' + filename + '”'); }, onprogress: function (id, filename, loaded, total) { if (loaded < total) { progress = math.round(loaded / total * 100) + '% of ' + math.round(total / 1024) + ' kb'; $('#file-' + id).removeclass('alert-info') .html('<img src="client/loading.gif" alt="in progress. please hold."> ' + 'uploading ' + '“' + filename + '” ' + progress); } else { $('#file-' + id).addclass('alert-info') .html('<img src="client/loading.gif" alt="saving. please hold."> ' + 'saving ' + '“' + filename + '”'); } }, oncomplete: function (id, filename, responsejson) { if (responsejson.success) { $('#file-' + id).removeclass('alert-info') .addclass('alert-success') .html('<i class="icon-ok"></i> ' + 'successfully saved ' + '“' + filename + '”' + '<br><img src="img/success.jpg" alt="' + filename + '">'); } else { $('#file-' + id).removeclass('alert-info') .addclass('alert-error') .html('<i class="icon-exclamation-sign"></i> ' + 'error ' + '“' + filename + '”: ' + responsejson.error); } }, onerror: function (id, name, reason, xhr) { $('#fuberroralert .message').text(reason); $('#fuberroralert button').click(function () { $('#fuberroralert').hide(); }); $('#fuberroralert').show(); } } }); console.log('uploader called'); uploader(); when page loads getting javascript error:
cannot read property 'opacity' of undefined
i installed fineuploader via nuget pacakage asp.net
https://github.com/widen/fine-uploader-server/tree/master/asp.net%20mvc%20c%23
please advice!
your button option problem. should change to:
button: $("#docaddhref")[0] if want things pass in jquery object, need download , use fine uploader's jquery plugin. more info plugin @ http://docs.fineuploader.com/integrating/jquery.html
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