How to use encodeURIComponent with loadnext?

Hello Webix Team,
How to use encodeURIComponent with loadnext to encapsulate ‘##’ in URL as a parameter.

I had tried:
var filterString =’##’;

var url = encodeURIComponent(“Servlet/getNodes?sessionKey=” + sessionKey + “&Name=” + “InstanceView” + “&node=” + node + “&filterString=” + filterString + “&meaChildElem=false”);

$$(‘grid_view’).loadNext(pageLimit, 0, null, url);

but its not working.
Please provide the solution

try to encode each component separately

var filterString ='##';

var url = "Servlet/getNodes?sessionKey=" + encodeURIComponent(sessionKey) + "&Name=" + encodeURIComponent(InstanceView) + "&node=" + encodeURIComponent(node) + "&filterString=" + encodeURIComponent(filterString) + "&meaChildElem=false";

$$('grid_view').loadNext(pageLimit, 0, null, url);

Thanks @integral It works.