NPOI読み出しword 2007

//   
        public static string ExcuteWord()
        {
            StringBuilder sb = new StringBuilder();
            using (FileStream stream = File.OpenRead("d:/test.docx"))
            {              
                XWPFDocument doc = new XWPFDocument(stream);
                var tables = doc.Tables;
                foreach (var table in tables)    //    
                {
                    foreach (var row in table.Rows)    //   
                    {
                        var c0 = row.GetCell(0);        //     0
                        foreach (var para in c0.Paragraphs)
                        {
                            string text = para.ParagraphText;
                            //        
                            sb.Append(text+",");
                        }
                    }
                }
                return sb.ToString();
            }
        }

 //   
        public static string ExcuteWordText() 
        {
            StringBuilder sb = new StringBuilder();
            using (FileStream stream = File.OpenRead("d:/test.docx"))
            {
                XWPFDocument doc = new XWPFDocument(stream);
                foreach (var para in doc.Paragraphs)
                {
                    string text = para.ParagraphText; //    

                    var runs = para.Runs;
                    string styleid = para.Style;

                    for (int i = 0; i < runs.Count; i++)
                    {
                        var run = runs[i];
                        text = run.ToString(); //  run   
                        sb.Append(text + ",");
                    }
                }
            }
            return sb.ToString();
        }

word 2003を読み込むには
NPOI読み出しword 2003