IFRAME in ASP.NET

Question

Hi,

I've a IFRAME and using it as textEditor for Emails but i'm not receiving the mail as formatted text as i've done it in my IFRAME textEditor i'm just receivng it as simple text becoz  i'm first containing IFRAME text in a hidden text box............... Plz suggest me some other ways to do it.............

I can use some other free textEditor but suggest me something in this favour.....

Thnx