private void savebutton_Click(object sender, EventArgs e)
{
//Console.WriteLine(this.id, this.customer_name, this.customer_id);
int id_int = Convert.ToInt32(id);
ordertest.Customer c = new ordertest.Customer(Convert.ToUInt32(customer_id), customer_name);
ordertest.Goods goods = new ordertest.Goods(Convert.ToInt32(goods_id), goods_name, Convert.ToDouble(price));
ordertest.OrderDetail de = new ordertest.OrderDetail(goods, Convert.ToUInt32(amount));
if (op == 1)
{
if (service.GetById(id_int) == null)
{
ordertest.Order o = new ordertest.Order(id_int, c);
service.AddOrder(o); o.AddDetails(de);
}
else
{
service.GetById(id_int).AddDetails(de);
}
}
else if (op == 2)
{
ordertest.Order o = service.GetById(id_int);
var d = o.Details;
foreach (var i in d)
{
if (i.Goods.Id == Convert.ToInt32(goods_id))
{
i.Amount = Convert.ToUInt32(amount);
i.Goods.Price = Convert.ToDouble(price);
}
}
}
else if (op == 3)
{
if (service.GetById(id_int) == null)
{
throw new Exception("无此账单");
}
else
{
service.RemoveOrder(id_int);
}
}
MessageBox.Show("信息改变已保存");
this.Close();
}
// 按ID查询// 按客户查询//按数量查询//按商品查询//查询全部
private void querybutton_Click(object sender, EventArgs e)
{
Console.WriteLine(this.message);
switch (Query_Way)
{
case "按ID查询": this.orderbindingSource.DataSource = service.GetById(Convert.ToInt32(message));
if (service.GetById(Convert.ToInt32(message)) != null)
{
this.detailbindingSource.DataSource = service.GetById(Convert.ToInt32(message)).Details;
}
else
{
this.detailbindingSource.DataSource = null;
} break;
case "按客户查询": this.orderbindingSource.DataSource = service.QueryByCustomerName(message); break;
case "按数量查询": this.orderbindingSource.DataSource = service.QueryByTotalAmount(Convert.ToDouble(message)); break;
case "按商品查询": this.orderbindingSource.DataSource = service.QueryByGoodsName(message); break;
case "查询全部": this.orderbindingSource.DataSource = service.QueryAll(); break;
default: break;
}
if (Query_Way != "按ID查询")
{
List <ordertest.Order> o = (List <ordertest.Order>)orderbindingSource.DataSource;
List <ordertest.OrderDetail> de = new List <ordertest.OrderDetail>();
if (o != null)
{
foreach (var i in o)
{
List <ordertest.OrderDetail> p = i.Details;
foreach (var j in p)
{
de.Add(j);
}
}
detailbindingSource.DataSource = de;
}
}
}
