gistfile1.js

$('#selectedFiles-edit-win').kendoUpload({
  multiple: true,
	localization: {
		select: 'Select File(s)'
	},
	async: {
		saveUrl: "/CFCS/AjaxFactory.cfc?method=uploadFile",
		removeUrl: "/CFCS/AjaxFactory.cfc?method=cancelUploadedFile",
		autoUpload: true
	},
select: function(e) {
	var files = e.files;
	if( files.length  > 10 ) {
		alert("Maximum 10 files can be uploaded at a time.");
		e.preventDefault();
		return false;
	}

	for(var fileCntr = 0; fileCntr < files.length; fileCntr ++) {
		if( files[fileCntr].size > 10485760 ) {
			alert("File size more than 10MB can not be uploaded.");
			e.preventDefault();
			return false;
		}

		if( files[fileCntr].extension.toLowerCase() == '.exe' ) {
			alert("Executable files can not be uploaded.");
			e.preventDefault();
			return false;
		}
	}
}
});