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    <p>ESchneider,</p> <p>I suspect the issue not due to your setting of connection details or parameters. To confirm my suspicions you could place your code into a simple web or windows form/page and instead of exporting just try to view the report by dropping a CrystalReportViewer object onto that page. (Note: There are some prerequisites to this working but if you are on a development machine that had the full Crystal installed it should easily meet those requirements.)</p> <p>Assuming that you don't see complaints (i.e. it prompts for a parameter or database credentials) then I would lean towards an entirely different theory.</p> <p>The clue is in your error message: "COM object that has been separated from its underlying RCW cannot be used." This error is not unique to Crystal Reports.</p> <p>Where I've seen this before is related to either garbage collection (be it automated or due to dispose/deconstruction occuring due to your code) OR multi-threading related challenges.</p> <p>I noticed you are calling this as a function that returns the PDF path as a string. Perhaps you've nested the call into a thread that is independent of the calling thread? Perhaps you have other code that triggers other events that could play into object disposal or resource/lock related issues like batching?</p> <p>One way to avoid speculating is to place all this into a brand new, dead simple, basic windows application. Do nothing but the absolute minimum to trigger the export. Make sure that the Windows application is just writing to a local folder and reading the report from a local directory. We wouldn't want file permissions or network issues (reading/writing over a network) to interfere.</p> <p>Best of luck.</p>
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    1. POHow to export crystal report to pdf using oracle
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    1. USDylan - INNO Software
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    1. COCOM error is gone with the doc.close line added, but I will try using the viewer to see what happens...
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    2. COIf the COM error is gone, what's the remaining problem?
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    3. COthere is no data, just an empty form.
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