C#读取EXCEL文件内容写入数据库

  if (this.textBox2.Text.Trim() == "")
            {
                MessageBox.Show("请输入EXCEL文件路径！");
            }
            else
            {
                string fileName = "告警手册-中兴.xls";
                string currPath = this.textBox2.Text.Trim();
                if (!currPath.Substring(currPath.Length - 1).Contains("\\"))
                {
                    currPath = currPath + "\\";
                }
                fileName = currPath + fileName;

}

 try
            {
                string strSheetName = "中兴-RNC";
                string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";Extended Properties='Excel 8.0;HDR=Yes;IMEX=1;'";
                string strExcel = "select * from  [" + strSheetName + "$] ";
                DataSet ds = new DataSet();
                OleDbConnection conn = new OleDbConnection(strConn);
                conn.Open();
                OleDbDataAdapter adapter = new OleDbDataAdapter(strExcel, conn);
                adapter.Fill(ds, "data");
                conn.Close();
                DataTable excelDT = ds.Tables["data"];//EXCEL表

                OracleConnection ocon = new System.Data.OracleClient.OracleConnection("data source=cqwcdma;user id=ifms_test;pwd=ifms;");

                foreach (DataRow dr in excelDT.Rows)
                {
                    string alarmCode = dr["告警码"].ToString();
                    string experience = dr["处理建议"].ToString();

                    ocon.Open();
                    OracleCommand ocmd = new OracleCommand("select count(*) from alarmcause t where vendor='ZY0804' and (experience is null or dbms_lob.compare(experience, empty_clob()) = 0) and alarmcause like '%" + alarmCode + "%' or  probablecause like '%" + alarmCode + "%'", ocon);
                    int count = int.Parse(ocmd.ExecuteScalar().ToString());
                    ocon.Close();

                    if (count > 0)
                    {
                        ocon.Open();
                        ocmd = new OracleCommand("update alarmcause t set experience='" + experience + "' where vendor='ZY0804' and alarmcause like '%" + alarmCode + "%' or  probablecause like '%" + alarmCode + "%'", ocon);
                        ocmd.ExecuteNonQuery();
                        ocon.Close();
                    }
                }
                MessageBox.Show("操作成功！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            catch (Exception se)
            {
                MessageBox.Show("操作失败："+se.Message);
            }