将word以二进制文件保存到access数据库时，较大文件用时较长的问题应该怎样解决?怎样做可以快一点儿？请高手帮忙！多谢！！


                string[] sSpilt = resultFile.Split('\\');
                int icount = sSpilt.Length;
                sSplitPath = sSpilt[icount - 1];
                               #region 将word内容保存到数据库
                OleDbConnection cn = new OleDbConnection(StartWindow.StrConn);
                FileInfo fi = new FileInfo(resultFile);
                FileStream fs = fi.OpenRead();
                if (fs.Length < 20971520)
                {
                    if (resultFile != "")
                    {
                    linkLabelEBidBook.Text = sSplitPath;
                    linkLabelEBidBook.Visible = true;
                    byte[] bytes = new byte[fs.Length];
                    fs.Read(bytes, 0, Convert.ToInt32(fs.Length));
                    OleDbCommand cm = new OleDbCommand();                    //OleDbDataAdapter da = new OleDbDataAdapter(@"select * from Base_BusinessSection", cn);
                    //DataSet ds = new DataSet(); //创建DataSet对象
                    //da.Fill(ds); //用OleDbDataAdapter对象da填充、更新刚创建的DataSet对象
                    cm.Connection = cn;
                    cm.CommandType = CommandType.Text;
                    if (cn.State == 0) cn.Open();
                    string ebooksql = "select * from EBidBook";
                    cm = new OleDbCommand(ebooksql, cn);
                    DataSet dsebook = new DataSet();
                    OleDbDataAdapter mycommand = new OleDbDataAdapter(ebooksql, cn);
                    mycommand.Fill(dsebook, "ebook");
                    mycommand.Dispose();
                    int sizebook = dsebook.Tables["ebook"].Rows.Count;
                 
                     
                            //cm = new OleDbCommand("insert into [EBidBook](EBookFileName)values('sr')", cn);
                            //cm.ExecuteNonQuery();
                            cm.CommandText = "update  EBidBook  set EBidBookOLE=@file ,EBookFileName='" + sSplitPath + "'";
                            OleDbParameter spFile = new OleDbParameter("@file", OleDbType.LongVarBinary);
                            spFile.Value = bytes;
                            cm.Parameters.Add(spFile);
                            cm.ExecuteNonQuery();//如果是大的文件到这个地方就卡住就像死机一样等老长时间才能执行完，请高手帮忙？
                            cn.Close();                #endregion
二进制access数据库wordC#