private void addBtn_Click(object sender, EventArgs e)
        {
            EditEquipmentForm form = new EditEquipmentForm("新增", dicUnit[cbxUnit.Text], "");

            form.Text        = "新增設備";
            form.FormClosed += delegate
            {
                ReloadDataGridView(dicUnit[cbxUnit.Text]);
            };
            form.ShowDialog();
        }
        private void updateBtn_Click(object sender, EventArgs e)
        {
            string            equipID = "" + dataGridViewX1.SelectedRows[0].Tag;
            EditEquipmentForm form    = new EditEquipmentForm("修改", dicUnit[cbxUnit.Text], equipID);

            form.Text        = "修改設備";
            form.FormClosed += delegate
            {
                ReloadDataGridView(dicUnit[cbxUnit.Text]);
            };
            form.ShowDialog();
        }