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216
omegapro/PowerTools/Classes/SpreadsheetDocumentManager.cs
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216
omegapro/PowerTools/Classes/SpreadsheetDocumentManager.cs
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/***************************************************************************
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Copyright (c) Microsoft Corporation 2011.
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This code is licensed using the Microsoft Public License (Ms-PL). The text of the license can be found here:
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http://www.microsoft.com/resources/sharedsource/licensingbasics/publiclicense.mspx
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***************************************************************************/
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using System.Collections.Generic;
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using System.Linq;
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using System.Xml.Linq;
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using DocumentFormat.OpenXml.Packaging;
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namespace OpenXmlPowerTools
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{
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/// <summary>
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/// Manages SpreadsheetDocument content
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/// </summary>
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public class SpreadsheetDocumentManager
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{
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private static XNamespace ns;
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private static XNamespace relationshipsns;
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private static int headerRow = 1;
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static SpreadsheetDocumentManager()
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{
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ns = "http://schemas.openxmlformats.org/spreadsheetml/2006/main";
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relationshipsns = "http://schemas.openxmlformats.org/officeDocument/2006/relationships";
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}
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/// <summary>
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/// Creates a spreadsheet document from a value table
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/// </summary>
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/// <param name="filePath">Path to store the document</param>
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/// <param name="headerList">Contents of first row (header)</param>
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/// <param name="valueTable">Contents of data</param>
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/// <param name="initialRow">Row to start copying data from</param>
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/// <returns></returns>
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public static void Create(SpreadsheetDocument document, List<string> headerList, string[][] valueTable, int initialRow)
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{
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headerRow = initialRow;
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//Creates a worksheet with given data
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WorksheetPart worksheet = WorksheetAccessor.Create(document, headerList, valueTable, headerRow);
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}
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/// <summary>
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/// Creates a spreadsheet document with a chart from a value table
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/// </summary>
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/// <param name="filePath">Path to store the document</param>
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/// <param name="headerList">Contents of first row (header)</param>
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/// <param name="valueTable">Contents of data</param>
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/// <param name="chartType">Chart type</param>
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/// <param name="categoryColumn">Column to use as category for charting</param>
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/// <param name="columnsToChart">Columns to use as data series</param>
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/// <param name="initialRow">Row index to start copying data</param>
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/// <returns>SpreadsheetDocument</returns>
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public static void Create(SpreadsheetDocument document, List<string> headerList, string[][] valueTable, ChartType chartType, string categoryColumn, List<string> columnsToChart, int initialRow)
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{
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headerRow = initialRow;
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//Creates worksheet with data
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WorksheetPart worksheet = WorksheetAccessor.Create(document, headerList, valueTable, headerRow);
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//Creates chartsheet with given series and category
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string sheetName = GetSheetName(worksheet, document);
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ChartsheetPart chartsheet =
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ChartsheetAccessor.Create(document,
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chartType,
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GetValueReferences(sheetName, categoryColumn, headerList, columnsToChart, valueTable),
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GetHeaderReferences(sheetName, categoryColumn, headerList, columnsToChart, valueTable),
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GetCategoryReference(sheetName, categoryColumn, headerList, valueTable)
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);
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}
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/// <summary>
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/// Gets the internal name of a worksheet from a document
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/// </summary>
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private static string GetSheetName(WorksheetPart worksheet, SpreadsheetDocument document)
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{
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//Gets the id of worksheet part
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string partId = document.WorkbookPart.GetIdOfPart(worksheet);
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XDocument workbookDocument = document.WorkbookPart.GetXDocument();
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//Gets the name from sheet tag related to worksheet
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string sheetName =
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workbookDocument.Root
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.Element(ns + "sheets")
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.Elements(ns + "sheet")
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.Where(
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t =>
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t.Attribute(relationshipsns + "id").Value == partId
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).First()
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.Attribute("name").Value;
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return sheetName;
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}
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/// <summary>
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/// Gets the range reference for category
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/// </summary>
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/// <param name="sheetName">worksheet to take data from</param>
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/// <param name="headerColumn">name of column used as category</param>
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/// <param name="headerList">column names from data</param>
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/// <param name="valueTable">Data values</param>
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/// <returns></returns>
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private static string GetCategoryReference(string sheetName, string headerColumn, List<string> headerList, string[][] valueTable)
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{
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int categoryColumn = headerList.IndexOf(headerColumn.ToUpper()) + 1;
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int numRows = valueTable.GetLength(0);
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return GetRangeReference(
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sheetName,
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categoryColumn,
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headerRow + 1,
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categoryColumn,
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numRows + headerRow
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);
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}
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/// <summary>
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/// Gets a list of range references for each of the series headers
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/// </summary>
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/// <param name="sheetName">worksheet to take data from</param>
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/// <param name="headerColumn">name of column used as category</param>
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/// <param name="headerList">column names from data</param>
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/// <param name="valueTable">Data values</param>
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/// <param name="colsToChart">Columns used as data series</param>
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/// <returns></returns>
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private static List<string> GetHeaderReferences(string sheetName, string headerColumn, List<string> headerList, List<string> colsToChart, string[][] valueTable)
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{
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List<string> valueReferenceList = new List<string>();
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foreach (string column in colsToChart)
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{
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valueReferenceList.Add(
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GetRangeReference(
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sheetName,
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headerList.IndexOf(column.ToUpper()) + 1,
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headerRow
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)
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);
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}
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return valueReferenceList;
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}
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/// <summary>
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/// Gets a list of range references for each of the series values
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/// </summary>
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/// <param name="sheetName">worksheet to take data from</param>
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/// <param name="headerColumn">name of column used as category</param>
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/// <param name="headerList">column names from data</param>
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/// <param name="valueTable">Data values</param>
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/// <param name="colsToChart">Columns used as data series</param>
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/// <returns></returns>
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private static List<string> GetValueReferences(string sheetName, string headerColumn, List<string> headerList, List<string> colsToChart, string[][] valueTable)
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{
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List<string> valueReferenceList = new List<string>();
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int numRows = valueTable.GetLength(0);
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foreach (string column in colsToChart)
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{
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int dataColumn = headerList.IndexOf(column.ToUpper()) + 1;
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valueReferenceList.Add(
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GetRangeReference(
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sheetName,
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dataColumn,
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headerRow + 1,
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dataColumn,
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numRows + headerRow
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)
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);
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}
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return valueReferenceList;
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}
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/// <summary>
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/// Gets a formatted representation of a cell range from a worksheet
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/// </summary>
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private static string GetRangeReference(string worksheet, int column, int row)
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{
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return string.Format("{0}!{1}{2}", worksheet, WorksheetAccessor.GetColumnId(column), row);
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}
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/// <summary>
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/// Gets a formatted representation of a cell range from a worksheet
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/// </summary>
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private static string GetRangeReference(string worksheet, int startColumn, int startRow, int endColumn, int endRow)
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{
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return string.Format("{0}!{1}{2}:{3}{4}",
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worksheet,
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WorksheetAccessor.GetColumnId(startColumn),
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startRow,
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WorksheetAccessor.GetColumnId(endColumn),
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endRow
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);
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}
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/// <summary>
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/// Creates an empty (base) workbook document
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/// </summary>
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/// <returns></returns>
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private static XDocument CreateEmptyWorkbook()
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{
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XDocument document =
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new XDocument(
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new XElement(ns + "workbook",
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new XAttribute("xmlns", ns),
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new XAttribute(XNamespace.Xmlns + "r", relationshipsns),
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new XElement(ns + "sheets")
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)
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);
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return document;
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}
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}
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}
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