Dart

Parse the XML of an Excel (XLS) Spreadsheet

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Demonstrate how to access various items from the XML of an XLS (Excel) Spreadsheet. Our sample data is shown below, and can be downloaded from http://www.chilkatsoft.com/data/ndc_nhric_labeler_codes_04_29_2015.xls

<?xml version="1.0" version="1.0" encoding="utf-8" ?>
<mso-application progid="Excel.Sheet"?>
<Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" xmlns:html="http://www.w3.org/TR/REC-html40">
    <DocumentProperties xmlns="urn:schemas-microsoft-com:office:office">
        <Version>14.00</Version>
    </DocumentProperties>
    <OfficeDocumentSettings xmlns="urn:schemas-microsoft-com:office:office">
        <AllowPNG />
    </OfficeDocumentSettings>
    <ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel">
        <WindowHeight>7800</WindowHeight>
        <WindowWidth>12000</WindowWidth>
        <WindowTopX>105</WindowTopX>
        <WindowTopY>105</WindowTopY>
        <ProtectStructure>False</ProtectStructure>
        <ProtectWindows>False</ProtectWindows>
    </ExcelWorkbook>
    <Styles>
        <Style ss:ID="Default" ss:Name="Normal">
            <Alignment ss:Vertical="Top" />
            <Borders />
            <Font ss:FontName="Arial" />
            <Interior />
            <NumberFormat />
            <Protection />
        </Style>
        <Style ss:ID="s63">
            <Alignment ss:Vertical="Bottom" ss:WrapText="1" />
            <Font ss:FontName="Arial" x:Family="Swiss" ss:Bold="1" />
            <Interior ss:Color="#C0C0C0" ss:Pattern="Solid" />
        </Style>
        <Style ss:ID="s64">
            <NumberFormat ss:Format="@" />
        </Style>
    </Styles>
    <Worksheet ss:Name="NDCLabelerCode">
        <Table ss:ExpandedColumnCount="2" ss:ExpandedRowCount="8186" x:FullColumns="1" x:FullRows="1">
            <Column ss:Index="2" ss:Width="580.5" />
            <Row ss:AutoFitHeight="0" ss:Height="38.25">
                <Cell ss:StyleID="s63">
                    <Data ss:Type="String">NDC Labeler Code</Data>
                </Cell>
                <Cell ss:StyleID="s63">
                    <Data ss:Type="String">Firm Name</Data>
                </Cell>
            </Row>
            <Row>
                <Cell ss:StyleID="s64">
                    <Data ss:Type="String">0002</Data>
                </Cell>
                <Cell ss:StyleID="s64">
                    <Data ss:Type="String">Eli Lilly and Company</Data>
                </Cell>
            </Row>
...

Dart

import 'package:chilkat/chilkat.dart';

void main() {
  final xlsDoc = CkXml();

  try {
    xlsDoc.loadXmlFile('myFiles/ndc_nhric_labeler_codes_04_29_2015.xls');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // This example will access the following pieces of data:
  // NDC Labeler Code, Firm Name, 0002, Eli Lilly and Company, ...

  // First navigate to the Worksheet named "NDCLabelerCode"
  final xWorksheet = xlsDoc.getChildWithAttr('Worksheet', 'ss:Name', 'NDCLabelerCode');

  // Next, get the Table node:
  final x = xWorksheet.getChildWithTag('Table');

  // How many immediate child nodes?
  final numChildren = x.numChildren;

  // Loop over each Row and access the cell contents.
  for (var i = 0; i < numChildren; i++) {

    // Navigate without creating new XML objects
    x.getChild2(i);

    if (x.tagEquals('Row')) {

      final data0 = x.chilkatPath('Cell[0]|Data|*');
      print(data0);

      final data1 = x.chilkatPath('Cell[1]|Data|*');
      print(data1);
    }

    // Navigate back up.
    x.getParent2();
  }
}