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

None of your suggestions worked for me, here is my solution:

add src="<%=_frame1%>" //to the iframe id="frame1" html control
public string _frame1 = "http://www.google.com";