Mapping files form core of any database. These files contain field to field mapping, usually this mapping occurs between classes and ATTRIBUTES.

Sample mapping file:

<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" 
assembly="NhiberateSample" 
namespace="NhibernateSample.Sample">
<class name="FirstSample">
<id name="Id">
<generator class="native" />
</id>
<PROPERTY name="Name" />
<property name="Category" />
</class>
</hibernate-mapping>

No NEED to specify column name if database column name is same as property .

<property name="Name" column="database-column-name" />

Also, right-click on "FirstSample.hbm.xml", select "Properties" and change the "Build ACTION" to "Embedded Resource". 

The mapping file will now be a part of the Asssembly.

Mapping files form core of any database. These files contain field to field mapping, usually this mapping occurs between classes and attributes.

Sample mapping file:

<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" 
assembly="NhiberateSample" 
namespace="NhibernateSample.Sample">
<class name="FirstSample">
<id name="Id">
<generator class="native" />
</id>
<property name="Name" />
<property name="Category" />
</class>
</hibernate-mapping>

No need to specify column name if database column name is same as property .

<property name="Name" column="database-column-name" />

Also, right-click on "FirstSample.hbm.xml", select "Properties" and change the "Build Action" to "Embedded Resource". 

The mapping file will now be a part of the Asssembly.