Hey guys, i'm running an SDF database with Nhibernate, and i'm getting
this error while trying to save the following object:
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
assembly="Topshelf.CostCalc.Data"
namespace="Topshelf.CostCalc.Data.Model" default-lazy="false">
<class xmlns="urn:nhibernate-mapping-2.2" name="Transaction"
table="Transactions">
<id name="Id" unsaved-value="0">
<column name="Id" sql-type="int" not-null="true" unique="true"/>
<generator class="native"></generator>
</id>
<many-to-one class="Topshelf.CostCalc.Data.Model.Category"
not-found="exception" not-null="false"
name="Category"
column="CategoryId" cascade="none"></many-to-one>
<property name="Description" type="string" length="255"></
property>
<property name="Amount" type="double"></property>
<property name="IsCost" type="Boolean"></property>
<property name="Date" type="DateTime"></property>
<many-to-one class="Topshelf.CostCalc.Data.Model.Category"
lazy="false"
not-found="exception" not-null="false" name="Person"
column="Person" cascade="none" />
</class>
the category class looks like this:
<id name="Id" unsaved-value="0">
<column name="Id" sql-type="int" not-null="true" unique="true"/>
<generator class="native"></generator>
</id>
<many-to-one class="Category" fetch="join" lazy="false" not-
found="exception" name="Parent"
column="ParentId" cascade="none"></many-to-one>
<property name="Name" type="string" length="255" unique="true" not-
null="true"></property>
<property name="Description" type="string" not-null="true"></
property>
<property name="IsCost" type="Boolean" not-null="true"></property>
<bag name="Children" cascade="all-delete-orphan" lazy="false"
inverse="true">
<key column="ParentId" />
<one-to-many class="Category" not-found="exception"/>
</bag>
according to other posts it has to do something with the bag or the
many to one in the category, but i don't have any idea of how to fix
it. anyone has some good ideas? thx
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