Microsoft. ReportingServices.ProcessingCore not found

Question

Hello,

I'm trying to add a third party reporting chart control in to my project. I'm using visual studio 2005 and i've installed SQL Server 2005 along with the Reporting Services. When i try to add the third party dll to the tool box, i get the error message

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'Could not load file or assembly 'Microsoft.ReportingServices.ProcessingCore, Version=9.0.242.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91' or one of its dependencies. The system cannot find the file specified.'

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I checked out the assembly and i was not able to find any dlls starting with Microsoft.ReportingServices.

Any ideas?

Thank you

NLV