I am getting the error "Invalid URI: The URI scheme is not valid." When I use ReadXML() into a dataset. I don't understand what the error means. Is the XML invalid? Any ideas what could be invalid about it?

oStaff is a VFP COM object that returns a VFP cursor using CursorToXML with the following parameters.

= CURSORTOXML("cResult","lcXMLResult",1,0,0,"1")

// create staff object
int lnStaffID;
string lcStaffXML;
Staff oStaff = new Staff(); 
DataSet dsStaff = new DataSet();

lnStaffID = Convert.ToInt32(Request.QueryString.Get("id"));
// get the XML string of the unchanged data
lcStaffXML = oStaff.GetRecord(lnStaffID);
// read xml string into a dataset
dsStaff.ReadXml(lcStaffXML);

Here is the XML string

<?xml version = "1.0" encoding="Windows-1252" standalone="yes"?>
<VFPData>
	<xsd:schema id="VFPData" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
		<xsd:element name="VFPData" msdata:IsDataSet="true">
			<xsd:complexType>
				<xsd:choice maxOccurs="unbounded">
					<xsd:element name="cresult">
						<xsd:complexType>
							<xsd:sequence>
								<xsd:element name="id">
									<xsd:simpleType>
										<xsd:restriction base="xsd:decimal">
											<xsd:totalDigits value="7"/>
											<xsd:fractionDigits value="0"/>
										</xsd:restriction>
									</xsd:simpleType>
								</xsd:element>
								<xsd:element name="name">
									<xsd:simpleType>
										<xsd:restriction base="xsd:string">
											<xsd:maxLength value="20"/>
										</xsd:restriction>
									</xsd:simpleType>
								</xsd:element>
								<xsd:element name="info">
									<xsd:simpleType>
										<xsd:restriction base="xsd:string">
											<xsd:maxLength value="20"/>
										</xsd:restriction>
									</xsd:simpleType>
								</xsd:element>
								<xsd:element name="in" type="xsd:boolean"/>
							</xsd:sequence>
						</xsd:complexType>
					</xsd:element>
				</xsd:choice>
			</xsd:complexType>
		</xsd:element>
	</xsd:schema>
	<cresult>
		<id>23</id>
		<name>John Smith</name>
		<info>CSICU</info>
		<in>true</in>
	</cresult>
</VFPData>