I'm new with hibernate and nhibernate...and I don't know if NHibernate can work for a windows form application. For web application you need to configure web.config....but for winform I don't know. Tks!

It can be used with win forms. For configuration you can use App.config or hibernate.cfg.xml. There're are a few things to care about when you want ti build a win forms app, especially how you do the session handling. Search the forum for that, there're are a few threads covering that topic.

For a web application I use a class NHibernateHttpModule which serialize IHttpModule. I don't know what should I use for winforms. pls help...I'm newbie....

I've already made that. But I have a problem with sql driver. I get an exception: Could not create the driver from database NHibernate.Driver.MySqlDataDriver. For web application it works, but for winform not.
This is the configuration file:
<?xml version='1.0' encoding='utf-8'?>
<hibernate-configuration xmlns="urn:nhibernate-configuration-2.2">

<!-- an ISessionFactory instance -->
<session-factory>

<!-- properties -->
<property name="connection.provider">NHibernate.Connection.DriverConnectionProvider</property>
<property name="connection.driver_class">NHibernate.Driver.MySqlDataDriver</property>
<property name="connection.connection_string">Server=localhost;initial catalog=nhibernate;DataBase=bank;User Id=root;Password=</property>
<property name="show_sql">false</property>
<property name="dialect">NHibernate.Dialect.MySQLDialect</property>
<property name="use_outer_join">true</property>

</session-factory>

</hibernate-configuration>

Pls...HELP!!!

Have a look here http://forum.hibernate.org/viewtopic.php?p=2374130. Does that solve your problem ? If not, check if you have an inner exception and post the log.

If I made the configuration in c# like this it works.

Configuration config;
config = new Configuration();
config.SetProperty(NHibernate.Cfg.Environment.ConnectionProvider, "NHibernate.Connection.DriverConnectionProvider");
config.SetProperty(NHibernate.Cfg.Environment.Dialect, "NHibernate.Dialect.MySQLDialect");
config.SetProperty(NHibernate.Cfg.Environment.ConnectionDriver, "NHibernate.Driver.MySqlDataDriver");
config.SetProperty(NHibernate.Cfg.Environment.ConnectionString, "Server=localhost;Database=bank;User ID=root;Password= ");

I will try it, but I already have MySql.Data.dll in my project. I will try with this...maybe is something modified.

Since it's working if yo configure it by hand, I suppose the link doesn't help very much. Does your exeption have an inner exception ? Post the log !

I've configured the path for configuration file. Is in the same directory, I don't know why he didn't find it before and why it's a txt file and not xml, but now it works. Tks for the solutions.

config.Configure("nhibernate.cfg.xml.txt");