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Best practice for error-checking XML object instantiation?

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    Best practice for error-checking XML object instantiation?

    I have Excel VBA code that makes a SOAP call to a web service, and extracts the results from the XML response, then writes the values to WorkSheet cells. It was a long painful process, but eventually I got this working, and it appears fairly robust. However, I will soon be releasing this code to a larger user base (it's in limited release right now), and I'd like to add more "on error" error-handling to avoid any runtime errors.

    In particular, I need advice/help about adding error-handling to the code that uses selectSingleNode. I do check it afterward to ensure it's not empty, but obviously, that doesn't cover the situation in which there may be an error in the "Set objXmlNode..." statement. I'd like to keep the "if objXmlNode Is Nothing" code (if y'all think that makes sense). How can I add "on error" code to this code?

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    P.S. I already have "on error" code in place and tested for the instantiation of the MSXML2.XMLHTTP60 and MSXML2.DOMDocument60 objects, but omitted it here for brevity.
    Last edited by btmtdk; 10-07-2013 at 05:13 PM.

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