How to display the page in iFrame only content

Question

Hi...

I will use the iFream

<iframe id="Iframe1" src="Test.aspx"  style="background-color:White" runat="server" ></iframe>

In my Test page include in the Master Page but i want to only display the content area of this page not to whole page.

Thanks & Regards,

Brijesh Mandaliya