# 2686 Attempting to Open a Connection When the Configuration Path Contains Invalid EDB DLL Can Cause Error

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It's my first attempt at accessing an ElevateDB 2.0 Build 2 trial version database with MS VS 2008.

I created the sample database using the ElevateDB Manager and have no problem viewing the data with it.

I am using the EDBConnectionStringBuilder to build my connection string with a local type, a config path and the database name.

When I try to connect to the database in my C# application (EDBConnection.Open), I get the following error...

ArgumentNullException

Value cannot be null.
Parameter Name: ptr