Scroll View with Panels in Content

I'm tearing my hair out!

I've got a scroll view. The content is set to control child size width and use child scale for height (vertical layout group) and a content size fitter. In it, I want to add some prefabs which are a UI panel with with a horizontal layout group and two children, which are text. When I drag and drop the prefab as a child of the scroll view's content, it looks just fine. But when I do this dynamically via script by instantiating the prefab and setting the parent, it is just completely wrong (in various ways, depending on what I'm testing). So, what's the deal? I can find super simple tutorials about adding text to content and I can do that, too, without issue. But does any one have luck with prefabs?

What I want to do is the prefab expand in width to match the width of the scrollview and have the text move along with the new width.

 

Okay, I think i solved this issue. When adding the prefabs to the content, I was using `transform.SetParent(blah)` instead of `transform.SetParent[blah, false);`