Ok here are my simplified classes

   public class Class1
   {

       couple of props and methods

       public Class2 Class2
       {
           get
           {
               return _Class2;
           }
           set
           {
               _Class2 = value;
           }
       }

   public class Class2
   {
       private Class3 Class3;

       public Class3
       {
           get
           {
               return _Class3
           }
           set
           {
               _Class3 = value;
           }
       }

and Class3 with some props and methods.

Do I really need to declare any prop ? Test was just an example of
any property that i have in the classes.

On 15/03/07, Bob Hanson <[EMAIL PROTECTED]> wrote:

Based on your example, class1 contains a public instance of class2, not
class3.

You also don't show any property named Test on your classes. If class1
has a property named Test which is declared as "public class2 Test",
then your result map for class1 needs to select a class2 object
instead of a class3 object.

On 3/15/07, Jakub Scheibe <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I have 3 classes:
>
> class1
> {
>    public string id;
>    public class2 _class2;
> }
>
> class2
> {
>   public class3 _class3;
> }
>
> class3
> {
>   public string test;
> }
>
> The problem is when I'm trying to execute select command.
> I have 2 sqlmap.xml file for class1 and class3.
> f.e.
>
> class1.xml
>
>     <resultMap id="rmSelectClass1" class="Class1">
>       <result property="Id" column="ID"/>
>       <result property="Test" column="Test" select="SelectClass3"/>
>     </resultMap>
>
>     <select id="Class1Select" resultMap="rmSelectClass1">
>       select *
>       from my_table
>     </select>
>
> class3.xml
>
>     <resultMap id="rmSelectClass3" class="Class3">
>       <result property="Test" column="Test"/>
>     </resultMap>
>
>     <select id="SelectClass3" resultMap="rmClass3"">
>         select Test
>         from my_table2
>     </select>
>
> When i'm runing my test i'm getting following error:
> Unable to cast object of type 'Class3' to type 'Class2'
>
> Any help?
>

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