Export ASPX to PDF and send PDF File as email attachment

Question

Hi .....,

I Need to Export ASPX Page to PDF and Exported PDF Need to send email as attachment

(For Example): Monthly Payements of Telephone Bills Are Send From Their Site on Clicking One Button  (Send Bill As PDF to Mail) Once When We Click. Like This i Need to Do Please Can You Share Any Source I Have Tried Using ItextSharp and MemoryStream(bytes) Methods also its Showing Me Mail Sending Failure Due To Attachement is Not Proper

With Regards......,
R.V.Rajagopalan