hi i need to print crystalreport directly without showing anything to user

is it possible

i try this but i got error

Dim cryRpt As New ReportDocument

cryRpt.Load(Server.MapPath("PrintableReport.rpt"))

Dim pdoc As New System.Drawing.Printing.PrintDocument

Dim strDefaultPrinter As String = pdoc.PrinterSettings.PrinterName

try this out
Create an instance of ReportDocument and
ReportDocument.Load("*.rpt")
ReportDocument.PrintToPrinter
It may resolve your problem
if not try this article might help you out
http://aspalliance.com/509_Automatically_Printing_Crystal_Reports_in_ASPNET.all

 //bind the dropdownlist for available printer At Page Load

 DropDownList1.DataSource = System.Drawing.Printing.PrinterSettings.InstalledPrinters;

 DropDownList1.DataBind();

//  on button click select printer name from dropdownlist 

  ReportDocument myReportDocument= new ReportDocument();

   myReportDocument.Load(Server.MapPath(@"~\myReport.rpt"));

  myReportDocument.SetDataSource(ds);

   myReportDocument.PrintOptions.PrinterName = DropDownList1.SelectedValue.ToString();

   myReportDocument.PrintToPrinter(1, false, 1, 1);

hi i didn't insall printers in my computer so

"Microsoft Office Document Image Writer" this is my pc default printer

i tried like this but i got the same error

ReportDocument myReportDocument= new ReportDocument();

   myReportDocument.Load(Server.MapPath(@"~\myReport.rpt"));

  myReportDocument.SetDataSource(ds);

   myReportDocument.PrintOptions.PrinterName = "Microsoft Office Document Image Writer";

   myReportDocument.PrintToPrinter(1, false, 1, 1);

hi,

install printer in your system(or you can check from network) and check still you are getting error 

or not

Try this using javascript

<script language=javascript>
function CallPrint(strid)
{
 var prtContent = document.getElementById(strid);
 var WinPrint =
window.open('','','letf=0,top=0,width=1,height=1,toolbar=0,scrollbars=0,sta­tus=0');
 WinPrint.document.write(prtContent.innerHTML);
 WinPrint.document.close();
 WinPrint.focus();
 WinPrint.print();
 WinPrint.close();
 prtContent.innerHTML=strOldOne;

</script>

<div id="divPrint">

<< your crystal report data>> 
.....
.....
.....

</div>
<asp:button ID="btnPrint" onClick="javascript:CallPrint('divPrint');"
Runat=Server />