Error - Dot Net / MYSQL

Error : "Unable to find the requested .Net Framework Data Provider. It may not be installed."

Solutions :

1) Open file "machine.config" @ D:\WINDOWS2\Microsoft.NET\Framework\v2.0.50727\CONFIG
2) Find "DbProviderFactories" Then add this line.

< add name="MySQL Data Provider" invariant="MySql.Data.MySqlClient"
description=".Net Framework Data Provider for MySQL"
type="MySql.Data.MySqlClient.MySqlClientFactory, MySql.Data,Version=6.2.3.0,Culture=neutral,PublicKeyToken=c5687fc88969c44d" />