...
using Word = Microsoft.Office.Interop.Word;
...
			// 复制文件
            string oriFilename = System.Web.HttpContext.Current.Server.MapPath("~/WordDoc/OriWord.doc");
            string targetFilename = System.Web.HttpContext.Current.Server.MapPath("~/WordDoc/New.doc");
            System.IO.File.Copy(oriFilename,targetFilename,true);
            Word.Application WordApp = new Word.ApplicationClass();
			// 打开文件
            Word.Document doc = WordApp.Documents.Open(targetFilename);
            try
            {
				操作word中的表格
                Word.Table tbl = doc.Tables[1];
                tbl.Cell(3, 2).Range.Text = "张三";
                tbl.Cell(4, 2).Range.Text = "A公司";
                tbl.Cell(5, 2).Range.Text = "38岁";
                tbl.Cell(6, 2).Range.Text = "开发工程师";
......
            }
            finally
            {
                doc.Save();
                doc.Close();
                WordApp.Quit();
                doc = null;
                WordApp = null;
                
            }