Tuesday, March 13, 2012

System.Runtime.InteropServices.COMException

Hi,

I am using a VB6 dll in my asp.net application.

When I call a function of that dll, I get the following error:

System.Runtime.InteropServices.COMExceptionType mismatch.

The function I am calling expects a String, and I am passing in a String.

Here is the function call:

format.ProperCase(rs("Fname"))

Please help!

try

format.ProperCase(rs.Fields("Fname").Value.ToString() )


Thank you. Do I have to do this every time now? I am converting a classic ASP page to .NET and I make this function call a lot passing in recordset fields.

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