Expression must evaluate to a node-set in C#.net

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XmlNode oldCd;

XmlElement root = doc.DocumentElement;
System.Xml.XmlElement conditie =(System.Xml.XmlElement)root.ChildNodes[0].ChildNodes[0];
string dbPath = conditie.ChildNodes[0].InnerText;
oldCd = root.SelectSingleNode("/Information|Datas|[DataBasePath ='" + dbPath + "']");

Error: Expression must evaluate to a node-set.

how to solve?

Posted 27-Sep-11 22:50pm

RoshInd

Updated 27-Sep-11 23:03pm

Pravin Patil, Mumbai

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Comments

Sergey Alexandrovich Kryukov 28-Sep-11 18:56pm

Bad issue report. Compile-time (which I don't see) or run-time (exception)? In what line? (Certainly in the last one; this is just a bad xPath expression.) Always provide complete exception information.
--SA

RoshInd 1-Oct-11 2:17am

oldCd = root.SelectSingleNode("//Information/Datas[DataBasePath ='" + dbPath + "']");

Wael Al Wirr 19-Dec-11 4:32am

Please share your xml so i can see the target node

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