filedset collapse issue in ExtJS

Question

I Use ExtJS 4.1 and use fieldset, collapsible: true, but initialy it must be collpsed, so i set collapsed: true, but the fieldset is not rendered, and it trows error in consol` Cannot call method 'getFrameInfo' of undefined,

can please someone tell me the reason of issue, and the solution?

Answer 1

I had exactly the same problem. The problem has something to do with the layout of your parent. Just set the layout parameter

align: 'stretch'

of your parent and it will work just fine.

Here is a working example.