NHibernate Learning Notes Problem record

To record the problems encountered in the process of learning NHibernate

1. Could not instantiate dialect class NHibernate.Dialect.OracleDialect

"Could not load type NHibernate.Dialect.OracleDialect. Possible cause:no assembly name specified "

Found a lot of solutions can not, the final method

When using Oracle databases in the NHibernate2.1.0 version, it is necessary to note that Oracle versions are written in the configuration file

<property name= "dialect" >NHibernate.Dialect.Oracle10gDialect</property>

2. Error message "IDs for this class must is manually assigned before calling Save ()"

This is due to database access errors caused by database constraints check the constraints in the following table to see whether a primary key foreign KEY constraint or a non-empty constraint results.