<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.0">
   <class name="vcf.code.entites.Stand,vcf" table="vcfStands">
      <id name="Code" column="code" type="Int32">
         <generator class="native"/>
      </id>
   
      
      <set name="Locations" inverse="true" table="vcfLocationLookup">
         <key column="stand_id"/>
         <many-to-many column="hesa_id" class="vcf.code.entites.classification.Location,vcf"/>
      
      </set>
      
   </class>
   
</hibernate-mapping>

<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.0">
   <class name="vcf.code.entites.classification.Location,vcf" table="vcfLocation">
      <id name="Id" column="HESA_id" type="Int32" unsaved-value="0">
         <generator class="assigned"/>
      </id>
      
      
      <set name="Stands" table="vcfLocationLookup">
         <key column="hesa_id" />
         <many-to-many column="stand_Id" class="vcf.code.entites.Stand,vcf" />
      </set>
      
      
      <property column="description" type="String" name="Description" length="255" />   
   </class>
</hibernate-mapping>

foreach(ListItem i in Locations.Items)
{
   if(i.Selected)
   {
      Location l = new Location();
      l.Id= Convert.ToInt32(i.Value);
      stand.Locations.Add(l);
   }
}
            
            

standDAO.updateStand(stand);

foreach(ListItem i in Locations.Items)
{
   if(i.Selected)
   {
      Location l = new Location();
      l.Id= Convert.ToInt32(i.Value);
      // or maybe Location l = LocationDAO.GetLocation(Convert.ToInt32(i.Value));
      stand.Locations.Add(l);
      l.Stands.Add(stand);
   }
}

foreach(ListItem i in Locations.Items)
{
   if(i.Selected)
   {
      Location l =locationdao.GetLocation(Convert.ToInt32(i.Value));
      stand.Locations.Add(l);
      l.Stands.Add(stand);
      locationdao.UpdateLocation(l);
   }
}

standDAO.updateStand(stand);