RFC Connection "Bad Variant Type"

Asked Jan 22 '13 at 08:45

Active Dec 26 '20 at 19:21

Viewed 1,207 times

Well, I'm using SapConnector dll to make RFC from .Net to SAP. When I use dll in a Windows form application, everything is fine, but when I try to make connection in ASP.Net Web Site or Web Application, I get an error;

Bad Variant Type

My code:

if (Connector.StartConnection())
    {
        try
        {
            Connector.AddFunction("Z_SCL_SOMETHING");
            Connector.AddFunctionInputParameter("WPERNR", "999999");
            Connector.CallFunction();
        }
   }

I get the error in this line;

Connector.AddFunction("Z_SCL_SOMETHING");

Another weird case is that, in Windows Forms Application when I make this call in backgroundWorker I get the same error again.

Any idea about this error ?

edited Dec 26 '20 at 19:21

Sandra Rossi

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asked Jan 22 '13 at 08:45

Mtok

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is this an exception? Could it be an x86/x64 issue? – Dirk Trilsbeek Jan 22 '13 at 08:52
Yes this is an exception and no i tried but not about that issue I think. – Mtok Jan 22 '13 at 11:40
is there an innerException providing more information? – Dirk Trilsbeek Jan 22 '13 at 12:31
This looks quite helpful (but I wouldn't know because I don't use ASP/.NET and so on): http://scn.sap.com/message/2802706 – mydoghasworms Jan 22 '13 at 18:54

RFC Connection "Bad Variant Type"

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