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.NET Forum / .NET Framework / Interop / November 2005Do I need My COM's to have same CID when Deployed
This might be a stupid question but it is not covered in any materials I have been reviewing. Basically, I am consuming a COM component using interop in my .ASP.Net application. When I move code over to production and run the project, I get the following error: COM object with CLSID {4A395049-408D-4B74-B810-36009887FE16} is either not valid or not registered the class ID of my component in production is different from the one in my development environment. Question: Does .Net COM Interop cares about Class ID. Does he keep track of Class ID's in the Metadata? Ali, > Basically, I am consuming a COM component using interop in my .ASP.Net > application. When I move code over to production and run the project, I get [quoted text clipped - 10 lines] > Does .Net COM Interop cares about Class ID. Does he keep track of Class > ID's in the Metadata? Of course it does. Robert Second Question: If the question is Yes. And most likely it is a yes. Meaning that the RCW has to know the CLSID of the unmanged component, then where do I find that CLSID in my assembly. I've tried ildasm and looked at teh manifest and could not see anything that looks like a CLSID. How can I see that information? What tool do I need to use? Ali > This might be a stupid question but it is not covered in any materials I > have been reviewing. [quoted text clipped - 13 lines] > Does .Net COM Interop cares about Class ID. Does he keep track of Class > ID's in the Metadata? > If the question is Yes. And most likely it is a yes. Meaning that the RCW > has to know the CLSID of the unmanged component, then where do I find that > CLSID in my assembly. I've tried ildasm and looked at teh manifest and > could not see anything that looks like a CLSID. > > How can I see that information? What tool do I need to use? It is in the interop assembly. Rob Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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