public 点餐菜品(string visit_record_id)
{
InitializeComponent();
this.visit_record_id = visit_record_id;
//设置值和显示值
var dishesList = dishesDao.SelectAll();
comboBox1.DataSource = dishesList;
comboBox1.DisplayMember = "dishes_name";
comboBox1.ValueMember = "dishes_id";
comboBox1.SelectedIndex = 0;
}
/// <summary>
/// 刷新数据
/// </summary>
private void DataRefresh()
{
var dishess = dishesDao.SelectAll();
this.dataGridView.DataSource = dishess;
}