记住要引入Word的dll文件 Interop.word.dll (如找不到可以直接根我联系)
在命名空间还有记得加入using System.Reflection;

//===========开始生成Word文档===============好麻烦呀这段=========
        private void button5_Click(object sender, EventArgs e)
        {
            //==========以下程序来自http://support.microsoft.com/kb/316384/zh-cn
            object oMissing = System.Reflection.Missing.Value;
            object oEndOfDoc = "\\endofdoc"; /* \endofdoc is a predefined bookmark */

            //==========开始创建一个Word文档==============
            Word._Application oWord = new Word.Application();
            Word._Document oDoc = oWord.Documents.Add(ref oMissing, ref oMissing,ref oMissing, ref oMissing);
            oWord.Visible = true;

            //在文档开始插入一段信息
            Word.Paragraph oPara1;
            oPara1 = oDoc.Content.Paragraphs.Add(ref oMissing);
            oPara1.Range.Text = "TT_Article数据库各表说明";
            oPara1.Range.Font.Bold = 1;
            oPara1.Format.SpaceAfter = 24;    //24 pt spacing after paragraph.
            oPara1.Range.InsertParagraphAfter();

            //Insert a paragraph at the end of the document.
            Word.Paragraph oPara2;
            object oRng = oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range;
            oPara2 = oDoc.Content.Paragraphs.Add(ref oRng);
            oPara2.Range.Text = "Heading 2";
            oPara2.Format.SpaceAfter = 6;
            oPara2.Range.InsertParagraphAfter();

            //Insert another paragraph.
            Word.Paragraph oPara3;
            oRng = oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range;
            oPara3 = oDoc.Content.Paragraphs.Add(ref oRng);
            oPara3.Range.Text = "This is a sentence of normal text. Now here is a table:";
            oPara3.Range.Font.Bold = 0;
            oPara3.Format.SpaceAfter = 24;
            oPara3.Range.InsertParagraphAfter();

            //Insert a 3 x 5 table, fill it with data, and make the first row
            //bold and italic.
            Word.Table oTable;
            Word.Range wrdRng = oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range;
            oTable = oDoc.Tables.Add(wrdRng, 3, 5, ref oMissing, ref oMissing);
            oTable.Range.ParagraphFormat.SpaceAfter = 6;
            int r, c;
            string strText;
            for (r = 1; r <= 3; r++)
                for (c = 1; c <= 5; c++)
                {
                    strText = "r" + r + "c" + c;
                    oTable.Cell(r, c).Range.Text = strText;
                }
            oTable.Rows[1].Range.Font.Bold = 1;
            oTable.Rows[1].Range.Font.Italic = 1;