摘要: private void btnCha_Click(object sender, EventArgs e) { //创建工具类对象 DBHelper db = new DBHelper(); //用变量获取所选中的值 int fromCityNum = Convert.ToInt32(cobChu. 阅读全文
posted @ 2018-03-08 14:29 啊铃 阅读(156) 评论(0) 推荐(0) 编辑