print and export button not working

Question

dear all
advance thanks to all
i am using crystal reports available in visual studio 2005 in my website.

when i click my popup window button my report page  is coming.
in report ,  export and print button tools coming with a cross sign.
if i click this export or print button error coming like

A run time error occured.
do u wish to debug?
line 191
error :object doesnot support this action

 

i dont have any coding for this print and export button...

when i debugg this error error is showing in the following line...

print = true;crystal_postback="<input type='hidden' name='__EVENTTARGET' value='dailyreportViewer'><input type='hidden' name='__EVENTARGUMENT' value='export'><input type='hidden' name='__LASTFOCUS' value=''><input type='hidden' name='__VIEWSTATE' value='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'><input type='hidden' name='dailyreportViewer$ctl02$ctl15' value='100'>";

rpt=true;

pdf=true;

word=true;

xls=true;

;recXls=true;

;rtf=true;

window.open("/aspnet_client/System_Web/2_0_50727/CrystalReportWebFormViewer3/html/crystalexportdialog.htm", "", "dependent,height=450,resizable,width=600");

any settings is required for printing and exporting?????????????????