ETS/ETS_Data/officeXmlMan.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Text.RegularExpressions;
using DocumentFormat.OpenXml.Packaging;

namespace ETS_Data
{
    /// <summary>
    /// gestioen documetni office/xml
    /// </summary>
    public class officeXmlMan
    {
        /// <summary>
        /// fa sostituzioni di testo in un doc .docx
        /// </summary>
        /// <param name="fullPathFile"></param>
        /// <param name="textOrig"></param>
        /// <param name="textNew"></param>
        public static void replaceDocxText(string fullPathFile, string textOrig, string textNew)
        {
            using (WordprocessingDocument wordDoc = WordprocessingDocument.Open(fullPathFile, true))
            {
                // lettura
                string docText = null;
                using (StreamReader sr = new StreamReader(wordDoc.MainDocumentPart.GetStream()))
                {
                    docText = sr.ReadToEnd();
                }
                // sostituzione
                Regex regexText = new Regex(textOrig);
                docText = regexText.Replace(docText, textNew);
                // scrittura
                using (StreamWriter sw = new StreamWriter(wordDoc.MainDocumentPart.GetStream(FileMode.Create)))
                {
                    sw.Write(docText);
                }
            }
        }

    }
}