ASP。IBM DB2问题

I'm working on a ASP.NET website that calls a DB2 database. I have Visual Studio installed on a Windows 2008 server where the site will be hosted. When I debug the site in Visual Studio, using the integrated web server, I can connect to the database and the site runs fine. When I set the site up in IIS7, on the same server, I cannot access the site or the database because of the following error.I'm working on a ASP.NET website that calls a D