question about XML form of dataset

hi,
i do have a dataset containing some tables (retrieved from a SQL query). when i make a myDataset.WriteXML it gives me an XML file i'd like to transform later by myself. The problem is that the XML structure is not very good, the nodes struture is not like what i'd like.
Is there a way to customize the XML structure so that the WriteXML() gives me exactly what i want ?

============================
example :

i get this

Code:

---


        <BudgetItemXML>
                <SERV_ServiceName>Translation</SERV_ServiceName>
                <CAT_CategoryName>Other translation</CAT_CategoryName>
                <BIT_ItemName>test 2                        </BIT_ItemName>
                <PC_PriceCodeName>XltTranslatorHour</PC_PriceCodeName>
                </BudgetItemXML>
        <BudgetItemXML>
                <SERV_ServiceName>Translation</SERV_ServiceName>
                <CAT_CategoryName>Software translation</CAT_CategoryName>
                <BIT_ItemName>test 1                        </BIT_ItemName>
                <PC_PriceCodeName>XltSoftwareWord</PC_PriceCodeName>
        </BudgetItemXML>
        <BudgetItemXML>
                <SERV_ServiceName>Translation</SERV_ServiceName>
                <CAT_CategoryName>Software translation</CAT_CategoryName>
                <BIT_ItemName>test 1                        </BIT_ItemName>
                <PC_PriceCodeName>XltSoftwareWord</PC_PriceCodeName>
        </BudgetItemXML>

---

i want this :

Code:

---

<SERV_ServiceName name="Translation">
        <CAT_CategoryName name="Other translation">
                <BudgetItemXML>
                        <BIT_ItemName>test 2  </BIT_ItemName>
                        <PC_PriceCodeName>XltTranslatorHour</PC_PriceCodeName>
                </BudgetItemXML>
        </CAT_CategoryName>
        <CAT_CategoryName name="Software translation">
                <BudgetItemXML>
                        <BIT_ItemName>test 1 </BIT_ItemName>
                        <PC_PriceCodeName>XltSoftwareWord</PC_PriceCodeName>
                </BudgetItemXML>
                <BudgetItemXML>
                        <BIT_ItemName>test 1 </BIT_ItemName>
                        <PC_PriceCodeName>XltSoftwareWord</PC_PriceCodeName>
                </BudgetItemXML>
        </CAT_CategoryName>
</SERV_ServiceName>

---

should i creete a new typed dataset ?
the database tables are not strutured like i want as you can see from the sample : each item is in a row with its own service category and properties. But maybe with a customs xsd file i could "force" the data to be sorted by category and service ?
or should i take the generated XML and parse it in VB.NET to transform it (select each same node and modif the XML ...) what is the easier ? what is the better solution ?

regards