我需要獲取用戶ID對應的終端ID。任何幫助。但它給錯誤:使用xml解析器讀取xml
The ReadElementContentAsString method is not supported on node type None. Line 1, position 668.
string strTerminalId = "E";
XmlDocument xdoc = new XmlDocument();
xdoc.LoadXml(STRING); //
string strxml = xdoc.OuterXml;
string strUserName = "";
bool Flag = false;
using (XmlReader reader = XmlReader.Create(new StringReader(strxml)))
{
while (reader.Read())
{
if (reader.IsStartElement())
{
switch (reader.Name)
{
case "Row":
reader.Read();
if (Flag == false)
{
reader.ReadToFollowing("TERM-ID");
reader.Read();
string strTERMID = reader.ReadElementContentAsString().ToString();
if (strTERMID == strTerminalId)
{
while (reader.ReadToFollowing("NA") && (Flag == false))
{
reader.Read();
string strUser = reader.ReadContentAsString();
if (strUser == "NA")
{
reader.ReadToFollowing("c:value");
reader.Read();
strUserName = reader.ReadContentAsString();
Flag = true;
}
}
}
}
break;
}
}
}
XML文檔的內容是
<GetReferenceTableResponse xmlns='http://tempuri.org/'>
<GetReferenceTableResult>
<Table Name='C' ID='46899' xmlns=''>
<Columns>
<Col ID='7442' Name='TD' Datatype='T' Length='8' AttributeDescription='Terminal ID' IsKey='Y'/>
<Col ID='7443' Name='D' Datatype='T' Length='50' AttributeDescription='Description' IsKey=' '/>
<Col ID='7444' Name='U' Datatype='T' Length='8' AttributeDescription='USER-ID' IsKey='' />
</Columns>
<Rows>
<Row RowsetID=\"1\">
<TERM-ID ID='279598'>A</TERM-ID>
<DESC-TXT ID='279622'>ASC</DESC-TXT>
<USER-ID ID='279646'>A</USER-ID>
</Row>
</Rows>
</Table>
</GetReferenceTableResult>
</GetReferenceTableResponse>
什麼是錯誤?請編輯您的問題,提供更多詳細信息,並更好地給出using語句中的所有代碼(使用(XmlReader reader') – kennyzx 2014-11-25 04:17:33
使用'XmlReader'解析xml文檔效率非常低,您是否考慮使用'XDocument'或'XPath' ?只需幾行代碼;或者你必須堅持使用'XmlReader'? – kennyzx 2014-11-25 04:28:58
@kennyzx - 「inefficient」是一個有趣的術語,用於解析使用屬於網絡的類的XML的最快方式。/XmlDocument - 的確... – 2014-11-25 04:32:31