how to get count of child nodes and elements in each node in c# of xml

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how to get total number of child nodes of xml file and total elements in each child node.[i want to display the xml file in table layout control at run time for that i need to count rows and coloms]
how to get count of rows and colums at runtime based on xml file.

Posted 7-Sep-15 21:44pm

Member 11944583

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2 solutions

Solution 1

Parse the file with one of the XML classes available in .NET, such as https://msdn.microsoft.com/en-us/library/system.xml.xmldocument(v=vs.110).aspx[^].

Posted 7-Sep-15 22:13pm

Richard MacCutchan

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Maciej Los · Accepted Answer · 2015-10-01T12:37:00

Have a look at example:

XML

//define xml document content
string xcontent = @"<?xml version='1.0' ?>
        <table>
        <rows>
        <row number='0'>
            <col number='1' header='true'>A</col>
            <col number='2' header='true'>B</col>
        </row>
        <row number='1'>
            <col number='1' header='false'>ValueA1</col>
            <col number='2' header='false'>ValueB1</col>
        </row>
        <row number='2'>
            <col number='1' header='false'>ValueA2</col>
            <col number='2' header='false'>ValueB2</col>
        </row>
        </rows>
        </table>";

//create xml document from string
XDocument xdoc = XDocument.Parse(xcontent);

//get the name of element, its level and no. of subnodes
var result = xdoc.Descendants()
        .Select(x=>new
            {
                NodeName = x.Name,
                NodeLevel = x.AncestorsAndSelf().Count(),
                ChildsCount = x.Descendants().Count()
            }
        )
        .Distinct();

Result:

NodeName NodeLevel ChildsCount
table    1         10
rows     2         9
row      3         2
col      4         0

You might be interested in other properties and methods of XmlElement class[^]. A most interesting is XElement.AncestorsAndSelf Method ()[^]