I have a com dll that takes ASP Application object as one of the parameters and performs processing. We are doing a brute force conversion of our application from asp to asp.net.
We have created a RCW (run time callable wrapper) for the com object and have instantiated it, now when we call this specific method passing the Application object as a parameter, I receive the following compiler error -:
=============== =============== ===============
Server Error in '/' Application.
No such interface supported
Description: An unhandled exception occurred during the execution of the
current web request. Please review the stack trace for more information
about the error and where it originated in the code.
Exception Details: System.InvalidC astException: No such interface supported
Source Error:
Line 20: Application("Ob jectName") = new
BusinessObject_ RCW.CreateObjec t
Line 21: ' Initialize it
Line 22:
Application("Ob jectName").Init ialize(Applicat ion)
Stack Trace:
[InvalidCastExce ption: No such interface supported]
Microsoft.Visua lBasic.Compiler Services.LateBi nding.InternalL ateCall(Object
o, Type objType, String name, Object[] args, String[] paramnames,
Boolean[] CopyBack, Boolean IgnoreReturn) +795
Microsoft.Visua lBasic.Compiler Services.LateBi nding.LateCall( Object o,
Type objType, String name, Object[] args, String[] paramnames, Boolean[]
CopyBack) +23
ASP.Global_asax .Application_On Start() in
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