"File upload"
Bootstrap 3.0.0 Snippet by VishwanathKD

<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <!DOCTYPE html> <html> <head> <title>Upload Files using XMLHttpRequest - Minimal</title> <meta charset="utf-8"> <!-- This file has been downloaded from Bootsnipp.com. Enjoy! --> <title>Multi Step Form New - Working - Bootsnipp.com</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet"> <style type="text/css"> body{ margin-top:20px; } </style> <script src="http://code.jquery.com/jquery-1.11.1.min.js"></script> <script src="http://netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script> </head> <body> <form class="container" id="form1" enctype="multipart/form-data" method="post" action="Upload.aspx"> <div class="row setup-content" id="step-1"> <div class="col-xs-12"> <div class="col-md-12 well text-center"> <label for="fileToUpload">Select a File to Upload</label><br /> <input type="file" name="fileToUpload" id="fileToUpload" onchange="fileSelected();"/> </div> <div id="fileName"></div> <div id="fileSize"></div> <div id="fileType"></div> <div class="row"> <input type="button" onclick="uploadFile()" value="Upload" /> </div> <div id="progressNumber"></div> </div> </div> </div> </form> </body> </html>
body{ margin-top:30px; }
function fileSelected() { var file = document.getElementById('fileToUpload').files[0]; if (file) { var fileSize = 0; if (file.size > 1024 * 1024) fileSize = (Math.round(file.size * 100 / (1024 * 1024)) / 100).toString() + 'MB'; else fileSize = (Math.round(file.size * 100 / 1024) / 100).toString() + 'KB'; document.getElementById('fileName').innerHTML = 'Name: ' + file.name; document.getElementById('fileSize').innerHTML = 'Size: ' + fileSize; document.getElementById('fileType').innerHTML = 'Type: ' + file.type; } } function uploadFile() { var fd = new FormData(); fd.append("fileToUpload", document.getElementById('fileToUpload').files[0]); var xhr = new XMLHttpRequest(); xhr.upload.addEventListener("progress", uploadProgress, false); xhr.addEventListener("load", uploadComplete, false); xhr.addEventListener("error", uploadFailed, false); xhr.addEventListener("abort", uploadCanceled, false); xhr.open("POST", "UploadMinimal.aspx"); xhr.send(fd); } function uploadProgress(evt) { if (evt.lengthComputable) { var percentComplete = Math.round(evt.loaded * 100 / evt.total); document.getElementById('progressNumber').innerHTML = percentComplete.toString() + '%'; } else { document.getElementById('progressNumber').innerHTML = 'unable to compute'; } } function uploadComplete(evt) { /* This event is raised when the server send back a response */ alert(evt.target.responseText); } function uploadFailed(evt) { alert("There was an error attempting to upload the file."); } function uploadCanceled(evt) { alert("The upload has been canceled by the user or the browser dropped the connection."); }

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