function gridupload(id) 
{
	var file   = $("#" + id)[0].files[0];
	var fileid = id;

	var fileReader = new FileReader();

	fileReader.onloadend = function (e) 
	{
		var arrayBuffer = e.target.result;
		var fileType    = file.type;

		blobUtil.arrayBufferToBlob(arrayBuffer, fileType).then(function (blob) 
		{
			printblobgrid(blob, fileid, file.name);
		}).catch(console.log.bind(console));
	};

	fileReader.readAsArrayBuffer(file);
}

function printblobgrid(blob, id, name)
{
	var newid  = id.slice(5);

	$('#sessionhelper').attr("blobname", name)

    var reader = new window.FileReader();
    
    var pname = name;

	reader.readAsDataURL(blob); 

	reader.onloadend = function(name) {
		base64data = reader.result;
		$('#sessionhelper').attr("blob", "filename:" + pname + ",blob:" + base64data.substr(base64data.indexOf(',') + 1).toString());
	}
}