I have an Element object with records in XML like this:
<DIMENSION NAME="Depth_Inches" SRC_TYPE="INTERNAL">
<DIMENSION_ID ID="5013678"/>
<DIMENSION_NODE>
<DVAL TYPE="EXACT">
<DVAL_ID ID="5013678"/>
<SYN CLASSIFY="FALSE" DISPLAY="TRUE" SEARCH="FALSE">Depth_Inches</SYN>
<PROP NAME="display_name">
<PVAL>Dryer Depth (Inches)</PVAL>
</PROP>
</DVAL>
<DIMENSION_NODE>
<DVAL TYPE="RANGE">
<DVAL_ID ID="5013679"/>
<SYN CLASSIFY="TRUE" DISPLAY="TRUE" SEARCH="TRUE">0 - 14.9999</SYN>
<LBOUND>
<BOUND CLOSURE="CLOSED" TYPE="FLOAT" VALUE="0 "/>
</LBOUND>
<UBOUND>
<BOUND CLOSURE="CLOSED" TYPE="FLOAT" VALUE=" 14.9999"/>
</UBOUND>
<PROP NAME="DISPLAY_ORDER">
<PVAL>6</PVAL>
</PROP>
</DVAL>
</DIMENSION_NODE>
<DIMENSION_NODE>
<DVAL TYPE="RANGE">
<DVAL_ID ID="5013680"/>
<SYN CLASSIFY="TRUE" DISPLAY="TRUE" SEARCH="TRUE"> 15 - 25.9999</SYN>
<LBOUND>
<BOUND CLOSURE="CLOSED" TYPE="FLOAT" VALUE=" 15 "/>
</LBOUND>
<UBOUND>
<BOUND CLOSURE="CLOSED" TYPE="FLOAT" VALUE=" 25.9999"/>
</UBOUND>
<PROP NAME="DISPLAY_ORDER">
<PVAL>5</PVAL>
</PROP>
</DVAL>
</DIMENSION_NODE>
</DIMENSION_NODE>
</DIMENSION>
I want to get the DVAL_ID's attribute ID's value (Example- 5013679) as a string, print it and update it to a new ID number (say 12345). How do I do it in XPath. There are similar questions here but none that addresses Attribute values and updating them. Any help is appreciated.