If you want to trigger an event after a drag&drop a file for an upload operation on Sharepoint, then you’ll have to add some JavaScript into your page. // we need to make sure sp.core.js is loaded SP.SOD.executeOrDelayUntilScriptLoaded(function() { window.UploadFinishFunc=function(b, a) { typeof g_currentControl.postUploadFunc == « function » && a.status != UploadStatus.CANCELLED && g_currentControl.postUploadFunc(a.files); a.status != UploadStatus.CANCELLED […]