private void 车辆查询ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            NewMain.Nform.logClass.write("执行日期查询函数");
            Form form = new carfind();
            ToolStripMenuItem menu = sender as ToolStripMenuItem;

            Add_TabPage(menu.Text, form);
        }
        private void button2_Click(object sender, EventArgs e)
        {
            Form carf = new carfind();

            carf.ShowDialog();
        }