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Imorting Table styles in word document using OpenXML Sdk

/ Published in: C#
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After importing tables from source document to target document, use this snippet to import table styles missing in the target document to enable correct formatting of the table.

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  1. internal static XNamespace w = "http://schemas.openxmlformats.org/wordprocessingml/2006/main"; 
  2.  
  3. internal static void ImportTableStyles(string sourcefilepath, string destinationfilepath)
  4.         {
  5.             using (var repeaterSourceDocument = WordprocessingDocument.Open(sourcefilepath, true))
  6.             {
  7.                 XDocument source_style_doc;
  8.  
  9.                 var repeaterSourceDocumentPackagePart = repeaterSourceDocument.MainDocumentPart.OpenXmlPackage.Package.GetPart(new Uri("/word/styles.xml", UriKind.Relative));
  10.  
  11.                 //Get styles.xml
  12.                 using (TextReader tr = new StreamReader(repeaterSourceDocumentPackagePart.GetStream()))
  13.                     source_style_doc = XDocument.Load(tr);
  14.  
  15.                 var tableStylesFromRepeaterSource = source_style_doc.Descendants(w + "style").Where(x => x.Attribute(w + "type").Value == "table").Select(x => x).ToList();
  16.  
  17.                 using (var targetFileToImportTableStyles = WordprocessingDocument.Open(destinationfilepath, true))
  18.                 {
  19.                     XDocument dest_style_doc;
  20.  
  21.                     var destpart = targetFileToImportTableStyles.MainDocumentPart.OpenXmlPackage.Package.GetPart(new Uri("/word/styles.xml", UriKind.Relative));
  22.  
  23.                     //Get styles.xml
  24.                     using (TextReader trd = new StreamReader(destpart.GetStream()))
  25.                         dest_style_doc = XDocument.Load(trd);
  26.  
  27.                     //Add all the style elements from source document styles.xml 
  28.                     foreach (var styleelement in tableStylesFromRepeaterSource)
  29.                     {
  30.                         if (!dest_style_doc.Elements(XName.Get("styles", w.NamespaceName)).Any(x => (string)x.Attribute("styleId") == (string)styleelement.Attribute("styleId")))
  31.                         {
  32.                             dest_style_doc.Element(XName.Get("styles", w.NamespaceName)).Add(styleelement);
  33.                         }
  34.                     }
  35.  
  36.                     //Save the style.xml of targetFile
  37.                     using (TextWriter tw = new StreamWriter(destpart.GetStream(FileMode.Create)))
  38.                         dest_style_doc.Save(tw, SaveOptions.None);
  39.  
  40.                 }
  41.             }
  42.         }

URL: http://www.adigopula.co.uk/post/Importing-Table-Styles-in-Word-Document-using-OpenXML-sdk.aspx

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