I have the following XML Schema:
<?xml version="1.0" encoding="utf-8" ?>
<xsd:schema id="UserXSD"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    xmlns:dttl="http://www.myurl.com/schemas/dttl">


    <xsd:element name="MyService">
        <xsd:complexType>
            <xsd:all>

                <xsd:element name="Type">
                    <xsd:simpleType>
                        <xsd:restriction base="xsd:string">
                            <xsd:pattern value="Administration"/>
                        </xsd:restriction>
                    </xsd:simpleType>
                </xsd:element>
                        <xsd:element name="Name">
                    <xsd:simpleType>
                        <xsd:restriction base="xsd:string">
                            <xsd:pattern value="CreateServiceUser"/>
                        </xsd:restriction>
                    </xsd:simpleType>
                </xsd:element>
                <xsd:element name="CID" minOccurs="0" maxOccurs="1">
                    <xsd:simpleType>
                        <xsd:restriction base="xsd:nonNegativeInteger"/>
                    </xsd:simpleType>
                    <xsd:annotation>
                        <xsd:appinfo>
                            <dttl:ui-label>Client ID</dttl:ui-label>
                            <dttl:ui-tooltip></dttl:ui-tooltip>
                            <dttl:ui-Width>100</dttl:ui-Width>
                        </xsd:appinfo>
                    </xsd:annotation>
                </xsd:element>
                <xsd:element name="SID">
                    <xsd:simpleType>
                        <xsd:restriction base="xsd:string"/>
                    </xsd:simpleType>
                    <xsd:annotation>
                        <xsd:appinfo>
                            <dttl:ui-label>System ID</dttl:ui-label>
                            <dttl:ui-tooltip></dttl:ui-tooltip>
                            <dttl:ui-Width>100</dttl:ui-Width>
                        </xsd:appinfo>
                    </xsd:annotation>
                </xsd:element>

            </xsd:all>
        </xsd:complexType>
    </xsd:element>
</xsd:schema>

Can anyone help me to access the nodes under the dttl namespace that I have using C#.