I am trying to change one-to-one mapping to many-to-one so that I can use
lazy load. I have seen many examples of it being implemented and I followed
the same pattern but I get the following error.
**Invalid index xx for this SqlParameterCollection with Count=xx.**
I will appreciate any help/recommendation you can provide.
Sample mapping user:
<class name="User" table="User" >
<id name="ID" type="guid">
<column name="USERID" />
<generator class="guid.comb" />
</id>
<many-to-one name="Address" class="Address" cascade=
"all-delete-orphan" lazy="no-proxy" unique="true" column="USERID"/>
<many-to-one name="UserDetail" class="UserDetail" cascade=
"all-delete-orphan" lazy="no-proxy" unique="true" column="USERID"/>
<property name="Name" />
</class>
Sample mapping address:
<class name="Address" table="Address" >
<!--Identity mapping-->
<id name="ID" type="guid">
<column name="USERID" />
<generator class="foreign">
<param name="property">User</param>
</generator>
</id>
<one-to-one name="User" class="User" constrained="true"/>
</class>
Sample mapping user detail:
<class name="Address" table="Address" >
<!--Identity mapping-->
<id name="ID" type="guid">
<column name="USERID" />
<generator class="foreign">
<param name="property">User</param>
</generator>
</id>
<one-to-one name="User" class="User" constrained="true"/>
</class>
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