Re: Printing from an ASP.NET page

Thanks for your reply Brett,

Yes, webservice or even simple network socket programming is ok(or if you
can use .net 3.0, WCF will be much more convenient). Also, if you are
familar with MSMQ programming, you can consider make each print request as
a MSMQ message and send to a message queue, and your target winform
application constantly pick messages from queue and perform printing.

For the console application, do not call it from your ASP.NET application,
that way, you are doing the samething as you try calling winform printing
code in asp.net application since that will make the consile running in the
same user context of the ASP.NET web applicaction. You should run the
console or winform application from a logon user context and let the
asp.net application communicate it via some remote communication methods.

Sincerely,

Steven Cheng

Microsoft MSDN Online Support Lead


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From: "Brett" <brettlf@xxxxxxxxxxxxxxxx>
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Subject: Re: Printing from an ASP.NET page
Date: Wed, 16 Jul 2008 16:34:12 -0400


Yes, I could run the printing part as a Winform application. I'm not sure
how I should implement it. (.NET remoting? Web service?) The
communication between applications would be a new area for me.

I found an article on MSDN that shows how to use a console application to
print a local report without previewing it:
http://msdn.microsoft.com/en-us/library/ms252091(VS.80).aspx
When I ran the console application , it successfully printed the report,
but
when I tried to call the console app from the web app, I got
"PrintLocalReport has encountered a problem and needs to close."

Error signature:
EventType : clr20r3 P1 : printlocalreport.exe P2 : 1.0.0.0
P3 : 487e4d71 P4 : mscorlib P5 : 2.0.0.0 P6 : 471ebc5b
P7 : 3404
P8 : d8 P9 : system.io.filenotfoundexception

The following code fails at "Dim p As System.Diagnostics.Process."

Dim filePath As String = Server.MapPath("PrintLocalReport.exe")

Dim info As System.Diagnostics.ProcessStartInfo = New
System.Diagnostics.ProcessStartInfo(filePath, "")

info.UseShellExecute = False

Dim p As System.Diagnostics.Process =
System.Diagnostics.Process.Start(info)

p.Start()


I don't know what file was not found. I did a "File.exists(filepath)" and
it returned "True"


.

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