Scroll not working

I am trying to Implement the vertical scroll feature on the images that I am fetching from my android device. This is how I am trying to do that :

<ion-content class="padding" scroll="false">
<ion-scroll direction="y" id="grid"></ion-scroll>

And inside grid , I am population images using javascript. I am getting images, But I am not able to scroll them. Note that , this is the only thing thing I am doing to acheive the scroll, I have not made any changes in my angular js file or elsewhere.Please help.