>>I have a DLL library that uses a configuration file to get a value which can be set at the client.
>>The configuration file contains:
>>
>> <appSettings>
>> <add key="CertificateSerialNumber" value="SerialNumber"/>
>> </appSettings>
>>
>>In the code of the library I try to get the serial number:
>>
>>SerialNumber = ConfigurationSettings.AppSettings["CertificateSerialNumber"];
>>
>>Which works fine in debug, but when executing the code at the client, the subsequent error occurs:
>>
>>Value cannot be Null
>>
>>So I assume it cannot find the parameter I am looking for. The config file is in the same folder as the dll, so what am I missing?
>
>The config file is based off of the entry executable, not the dll (see
https://msdn.microsoft.com/en-us/library/ms229689.aspx). Do you have the config file in the same folder as the exe and named after the exe?
I couldn't believe it. The issue is that I call the DLL from a VFP executable so I assumed it would not make sense to call it that way. But indeed when naming the config the same as the VFP exe it works. Thanks for the help.
Christian Isberner
Software Consultant