Specify S2Dao.NET assembly(Seasar.Dao) in application configuration file (app.config).
<configuration><configSections><sectionname="seasar"type="Seasar.Framework.Xml.S2SectionHandler, Seasar"/></configSections><seasar><!-- set in SingletonS2ContainerFactory#Init the path of dicon filebelow as the initial value of the root dicon file. --><configPath>App.dicon</configPath><!-- During creation of S2Container, read in assembly below into AppDomain(S2ContainerFactory#Create) --><assemblys><assembly>assembly name 1</assembly><assembly>assembly name 2</assembly><assembly>Seasar.Dao</assembly></assemblys></seasar></configuration>