Error Chartpart from

Nov 3, 2009 at 12:03 PM


i've a problem with new version installed on previous


when i try to create a new custom chartpart wepart sp shows this error message:

unable to load file or assembly 'Chartpart, Version=,  Culture=Neutral, PublicKeyToken...ecc... (HRESULT Exception:0x80131040).


In web.config i've this safe assembly but shows Version instead of


I've tried with the Upgradeversion command but the error still remains.


Any suggestion?