.net apps typically don't have large .exe files, but it is considered proper to have multiple DLLs.

In any event, doesn't that assembly belong in the GAC?

You can merge assemblies with ILMerge. http://www.codeproject.com/KB/dotnet/mergingassemblies.aspx

>Hi all,
> I use vb.net , mysql and download the ADO.NET Driver for MySQL (Connector/NET) driver, wrote the program (reference
>Mysql.data in C:\Program Files\MySQL\MySQL Connector Net 6.4.4\Assemblies\v2.0\MySql.Data.dll) , so the develop computer
>can execute, no error.
> But run to client computer display error.
> System.IO.FileNotFoundException: Can not find this file or module 'MySql.Data, Version=6.4.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d'
>
> How can i embedding MySQL.Data.dll to exe. thank you ~~~