How to reload a grid in parent window on closing child windo

Hi to all,

I have a main popup window with grid of services .Now i have a button in parent window to add new service onclicking add service button a child window will open to add service.I want to reload the parent window services grid after adding service and while closing the child window.

I have used but nothing works

parent.servicesGrid.clearAll();
parent.servicesGrid.load(url);

also

window.opener.servicesGrid.load(url);

thanks

Unfortunately the issue cannot be reconstructed locally.
If issue still occurs - please, provide any kind of sample of your code or a complete demo where the issue can be reproduced.