How can I access an IFRAME from the codebehind file in ASP.NET?

Question

I am trying to set attributes for an IFRAME html control from the code-behind aspx.cs file.

I came across a post that says you can use FindControl to find the non-as

Answer 1

aspx page

Code behind

this.fblikes.Attributes["src"] = "/productdetails/fblike.ashx";

Very simple....