Problem getting the count of element

Hi all,
I am using a webservice which converts excel to string, which i store in an variable. I parse this variable using to parseXML function and assign it to and element type. The element is created from xsd. The xsd is created from the output of the webservice.
<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:nxsd="http://xmlns.oracle.com/pcbpel/nxsd"
targetNamespace="http://TargetNamespace.com/IncomngCS"
xmlns:tns="http://TargetNamespace.com/IncomngCS"
elementFormDefault="qualified"
attributeFormDefault="unqualified" nxsd:encoding="ASCII" nxsd:stream="chars" nxsd:version="NXSD">
 <xsd:element name="SHEET">
 <xsd:complexType>
 <xsd:sequence>
 <xsd:element name="ROW" maxOccurs="unbounded"> <xsd:complexType>
 <xsd:sequence>
 <xsd:element name="DATESRV" type="xsd:string"/>
 <xsd:element name="TACT" type="xsd:string"/>
 <xsd:element name="TCHG" type="xsd:string"/>
 <xsd:element name="TAMNT" type="xsd:string"/>
 <xsd:element name="TQTY" type="xsd:string"/>
 </xsd:sequence>
 </xsd:complexType>
 </xsd:element>
 </xsd:sequence>
<xsd:attribute name="currentrow"/>
 </xsd:complexType>
</xsd:element>
</xsd:schema>
The variable of element type gives output as
<var_tmp>
<SHEET>
<ROW>
<DATESRV>2/3/2006</DATESRV>
<TACT>100561141</TACT>
<TCHG>3403516</TCHG>
<TAMNT>249.55</TAMNT>
<TQTY>1</TQTY>
</ROW>
<ROW>
<DATESRV>2/3/2006</DATESRV>
<TACT>100561141</TACT>
<TCHG>3400934</TCHG>
<TAMNT>72.55</TAMNT>
<TQTY>1</TQTY>
</ROW>
<ROW>
<DATESRV>2/3/2006</DATESRV>
<TACT>100567114</TACT>
<TCHG>3406931</TCHG>
<TAMNT>34.5</TAMNT>
<TQTY>1</TQTY>
</ROW>
</SHEET>
<var_tmp>
And now when i try to get the count(getVariableData('var_tmp','/sheet/row')) it always gives me 0. I tried to get particular row using index its still does not seem to work.
Does anybody have any idea about this problem?

Can you post your .bpel source so I can see what's going on there?
Thanks
Dan

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