php - Showing progress of AJAX file upload doesn't work -


i used file uploading process. when click browse button, file uploaded on server , display file contents without click submit button. when upload large size of file, upload take more time. needed implement progressbar. . used following code.

$.ajax({     url: "upload.php",     type: "post",     data: formdata,     processdata: false,     contenttype: false,     beforesend: function() {         status.empty();         var percentval = '0%';         bar.width(percentval)         percent.html(percentval);         $('register').ajaxform({});      },     onprogress: function(event){         var loaded = event.loaded, total = event.total;         bar.width(parseint(loaded / total * 100, 10).limit(0, 100) + '%');     },     uploadprogress: function(event, position, total, percentcomplete) {         var percentval = percentcomplete + '%';         bar.width(percentval)         percent.html(percentval);     },     complete: function(xhr) {         bar.width("100%");         percent.html("100%");         status.html(xhr.responsetext);     },

but progress bar not starting. display after uploading finishing 100% only.

i need every step step uploading percentage.

the problem following 2 function. these 2 function not calling.

    onprogress: function(event),     uploadprogress: function(event, position, total, percentcomplete)

i refered following useful links.

please me..

advance thanks.


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