Mysql Connection...

Hi I get an error connecting to the database server, wonder what is the reason

Web siteaddress :  http://caddeworld.net/

Could not load file or assembly 'MySql.Data, Version=6.6.5.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d' or one of its dependencies. The system cannot find the file specified.

else

Line 11:       <compilation>
Line 12:         <assemblies>Line 13: <add assembly="MySql.Data, Version=6.6.5.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d" /> 
Line 14:         </assemblies>
Line 15:       </compilation>

Source File:C:\inetpub\vhosts\caddeworld.net\httpdocs\web.config   Line: 13