无法加载文件或程序集＆＃39; Mysql.Data，Version = 6.6.5.0＆＃39;

Question

我在Visual Studio 2012中使用MySQL版本5.2.47 CE运行我的Web应用程序时出现此错误：

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.

有人能帮助我吗？