There are three steps to automatically printing a document in ASP.NET from the ActiveX Viewer Control.

1. Placing the ActiveX Control on the page as an object. Setting the version to -1,-1,-1,-1 forces Internet Explorer to check for updates each time the page is rendered. Here's the code that goes in the ASPX page:

    <OBJECT id=arv codeBase=bin/arview2.cab#version=-1,-1,-1,-1 
   height=0 
   width=0 
   classid=CLSID:8569d715-ff88-44ba-8d1d-ad3e59543dde>

2. Loading the data into the report. Set the DataPath of the viewer object. This can be anything from a byte array to a hard coded path:

   [DISABLEDSCRIPT]
   sub window_onload()
      arv.datapath = "temp.rdf"
   end sub

3. Printing the report. This is done by syncing the LoadCompleted event of the viewer. Inside a call is made to the Viewer's PrintReport method:

   sub arv_loadcompleted()
      arv.PrintReport False
   end sub
   [/DISABLEDSCRIPT]