Evaluating XPath Expresssions
XPath |
Result of XPath Evaluation |
string(/FitnessCenter/Member[1]/MembershipFee) + 1 |
Error! |
data(/FitnessCenter/Member[1]/MembershipFee) + 1 |
341
|
data(340) + 1 |
341
|
The XML Document
<FitnessCenter>
<Member id="1" level="platinum">
<Name>Jeff</Name>
<Phone type="home">555-1234</Phone>
<Phone type="work">555-4321</Phone>
<FavoriteColor>lightgrey</FavoriteColor>
<MembershipFee>340</MembershipFee>
</Member>
<Member id="2" level="gold">
<Name>David</Name>
<Phone type="home">383-1234</Phone>
<Phone type="work">383-4321</Phone>
<FavoriteColor>lightblue</FavoriteColor>
<MembershipFee>-500</MembershipFee>
</Member>
<Member id="3" level="platinum">
<Name>Roger</Name>
<Phone type="home">888-1234</Phone>
<Phone type="work">888-4321</Phone>
<FavoriteColor>lightyellow</FavoriteColor>
<MembershipFee>340</MembershipFee>
</Member>
</FitnessCenter>