carregar dados de webservice dataset

alguem conhece alguma forma de conseguir capturar informações em um webservice que retorna dataset (.net)

exemplo: http://www.bronzebusiness.com.br/webservices/wscep.asmx

retorna isso:

>
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<DataSet>

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<xs:schema id="NewDataSet">

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<xs:element name="NewDataSet" msdata:IsDataSet="true" msdata:UseCurrentLocale="true">

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<xs:complexType>

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<xs:choice minOccurs="0" maxOccurs="unbounded">

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<xs:element name="tbCEP">

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<xs:complexType>

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<xs:sequence>

<xs:element name="logradouro" type="xs:string" minOccurs="0"/>

<xs:element name="nome" type="xs:string" minOccurs="0"/>

<xs:element name="bairro" type="xs:string" minOccurs="0"/>

<xs:element name="UF" type="xs:string" minOccurs="0"/>

<xs:element name="cidade" type="xs:string" minOccurs="0"/>

</xs:sequence>

</xs:complexType>

</xs:element>

</xs:choice>

</xs:complexType>

</xs:element>

</xs:schema>

−

<diffgr:diffgram>

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<NewDataSet>

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	<tbCEP diffgr:id="tbCEP1" msdata:rowOrder="0">

<logradouro>Avenida</logradouro>

<nome>Onze de Junho</nome>

<bairro>Vila Clementino</bairro>

<UF>SP</UF>

<cidade>Sao Paulo</cidade>

</tbCEP>

</NewDataSet>

</diffgr:diffgram>

</DataSet>

tentei abrir como xml com esse exemplo: http://forum.imasters.com.br/index.php?showtopic=227893, mas retorna essa exceção, ao tentar executar a linha cliente.Open;:

/applications/core/interface/imageproxy/imageproxy.php?img=http://img.photobucket.com/albums/v331/eriva_br/DelphiWebService.jpg&key=ed31a0abec9dc9a8c7780e4f0f271260c7347c4308f008b43ce4ab20df4b0f11" alt="Imagem Postada" />