i am using this code to print crystal report

Report.PrintToPrinter(1, true, 0, 0);  

its giving me this error . i deployed my website in IIS

A StartDocPrinter call was not issued

i have installed

Visual studio 2010 ultimate

SAP Crystal Report runtime engine for .NET Framwork 4 (32-bit)

SAP Crystal Report version for Visual Studio 2010

IIS 7