Parse xsd resuts from webservice

How can i parse iterate or convert to array the following result.

This is the exact result as received via soap. And eventually i will need to get the items into an array

<xs:schema xmlns:mstns="http://ift.tt/1srWjBH" xmlns="http://ift.tt/1srWjBH" xmlns:xs="http://ift.tt/tphNwY" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" id="PriceListDS" targetNamespace="http://ift.tt/1srWjBH" attributeFormDefault="qualified" elementFormDefault="qualified">
        <xs:element name="PriceListDS" msdata:IsDataSet="true" msdata:UseCurrentLocale="true">
            <xs:complexType>
                <xs:choice minOccurs="0" maxOccurs="unbounded">
                    <xs:element name="PriceList">
                        <xs:complexType>
                            <xs:sequence>
                                <xs:element name="itemcode">
                                    <xs:simpleType>
                                        <xs:restriction base="xs:string">
                                            <xs:maxLength value="20"/>
                                        </xs:restriction>
                                    </xs:simpleType>
                                </xs:element>
                                <xs:element name="itemname" minOccurs="0">
                                    <xs:simpleType>
                                        <xs:restriction base="xs:string">
                                            <xs:maxLength value="100"/>
                                        </xs:restriction>
                                    </xs:simpleType>
                                </xs:element>
                                <xs:element name="Price" type="xs:decimal" minOccurs="0"/>
                                <xs:element name="OrigPrice" type="xs:decimal" minOccurs="0"/>
                                <xs:element name="Multiple" msdata:ReadOnly="true" type="xs:int" minOccurs="0"/>
                                <xs:element name="vat" msdata:ReadOnly="true" type="xs:decimal" minOccurs="0"/>
                            </xs:sequence>
                        </xs:complexType>
                    </xs:element>
                </xs:choice>
            </xs:complexType>
            <xs:unique name="Constraint1" msdata:PrimaryKey="true">
                <xs:selector xpath=".//mstns:PriceList"/>
                <xs:field xpath="mstns:itemcode"/>
            </xs:unique>
        </xs:element>
    </xs:schema>
<diffgr:diffgram xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" xmlns:diffgr="urn:schemas-microsoft-com:xml-diffgram-v1">
    <PriceListDS xmlns="http://ift.tt/1srWjBH">
    <PriceList diffgr:id="PriceList1" msdata:rowOrder="0">
    <itemcode>
.........