vb.net - Object Not Found Parsing XML -


i have following xml being returned me:

<?xml version="1.0" encoding="utf-8" standalone="yes"?>   <document xmlns="@link" xmlns:xsi="@link" xsi:schemalocation="@link" version="1.0">     <field left="0" top="0" right="100" bottom="20" type="text">       <value encoding="utf-16">11266</value>       <line left="8" top="4" right="55" bottom="17">         <char left="8" top="4" right="13" bottom="16" confidence="65" suspicious="true">1</char>         <char left="18" top="4" right="23" bottom="16" confidence="68" suspicious="true">1</char>         <char left="27" top="4" right="35" bottom="16" confidence="100">2</char><char left="36" top="4" right="45" bottom="17" confidence="100">6</char>         <char left="46" top="4" right="55" bottom="16" confidence="100">6</char>       </line>    </field> </document>

i'm trying read value node. code looks this:

dim m_xmld = new xmldocument() m_xmld.load(xmlfile)  return m_xmld.selectsinglenode("/field/value").innertext

what doing wrong? tried /document/field/value no avail :(

there 2 problems code. first, need specify xml namespace. xml document contains default namespace on document element (xmlns="@link"). means must explicitly specify namespace when reference element in document. xmldocument, need create xmlnamespacemanager , pass select methods. instance:

dim m_xmld new xmldocument() m_xmld.load(xmlfile) dim nsmgr new xmlnamespacemanager(m_xmld.nametable) nsmgr.addnamespace("x", "@link") return m_xmld.selectsinglenode("/x:document/x:field/x:value", nsmgr).innertext

or, if don't want hard-code namespace uri, can grab loaded document, this:

nsmgr.addnamespace("x", m_xmld.documentelement.namespaceuri)

the second problem trying select /field/value rather /document/field/value. when selecting xmldocument object, itself, selection begins root of document ("above" document element).


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