Question

I have some pages I am converting to use master pages. Right now just for HTML formatting, no objects/code in Master Page yet.

I have an existing page that works fine (can post if needed but kinda long) and I add a master page (like I have done on a few other pages that worked fine) and now I get an error on a div tag (in child page and reference to div is still in child page) errror:

System.NullReferenceException: Object reference not set to an instance
of an object.

I am using code to get div tag:
Control anotherDiv = Page.FindControl("divTrans")

I know how to convert this to use Master Page just use Master.Page….

But what/how do I code this to just use the existing child page code?

Answer 1

I had to do nested find controls:

Control anotherDiv = this.Master.FindControl("ContentPlaceHolder1").FindControl("divTrans");