private void button_modify_Click(object sender, EventArgs e) //修改订单
{
Form_modifyOrder modifyOrderForm = new Form_modifyOrder();
DialogResult dialogResult = modifyOrderForm.ShowDialog();
if (dialogResult == DialogResult.OK)
{
for (int i = 0; i < dataGridView1.Rows.Count; i++)
{
if (dataGridView1.Rows[i].Cells[4].Value == null)
{
dataGridView1.Rows[i].Cells[4].Value = false;
continue;
}
if ((bool)dataGridView1.Rows[i].Cells[4].Value == true)
{
bindingSource1.List.RemoveAt(i);
bindingSource1.List.Insert(i, modifyOrderForm.modifyOrder);
}
}
button_delete.Enabled = false;
button_delete.Visible = false;
button_modify.Enabled = false;
button_modify.Visible = false;
dataGridView1.Columns[4].Visible = false;
}
}
private void button_modify_Click(object sender, EventArgs e) //修改订单
{
Form_modifyOrder modifyOrderForm = new Form_modifyOrder();
DialogResult dialogResult = modifyOrderForm.ShowDialog();
if (dialogResult == DialogResult.OK)
{
for (int i = 0; i < dataGridView1.Rows.Count; i++)
{
if (dataGridView1.Rows[i].Cells[4].Value == null)
{
dataGridView1.Rows[i].Cells[4].Value = false;
continue;
}
if ((bool)dataGridView1.Rows[i].Cells[4].Value == true)
{
int num = (int)dataGridView1.Rows[i].Cells[0].Value;
using (var db = new OrderModel())
{
var order = db.Orders.Include("OrderDetails").First(p => p.orderNumber == num); //在数据库中找到一个订单num对应的订单
if (order != null)
{
order.guest = modifyOrderForm.modifyOrder.guest;
order.orderAddress = modifyOrderForm.modifyOrder.orderAddress;
var orderdetails = db.OrderDetails.Where(p => p.Order.orderNumber == order.orderNumber);
foreach (OrderDetails orderDetails1 in orderdetails)
{
db.OrderDetails.Remove(orderDetails1);
}
db.SaveChanges();
//order.orderDetails.Clear();
int cou = 1;
foreach (var good in modifyOrderForm.goods) //遍历字典，将所有商品及数量添加到订单中
{
OrderDetails orderDetails = new OrderDetails(good.Key, good.Value);
orderDetails.OrderId = order.orderNumber;
orderDetails.Order = order;
orderDetails.OrderDetailsId = int.Parse(order.orderTime.Day + "" + cou++);
order.orderDetails.Add(orderDetails);
}
order.reCalculatePrice();
db.SaveChanges();
}
}
//bindingSource1.List.Insert(i, modifyOrderForm.modifyOrder);
}
}
using (var db = new OrderModel())
{
bindingSource1.DataSource = db.Orders.ToList <Order>();
}
button_delete.Enabled = false;
button_delete.Visible = false;
button_modify.Enabled = false;
button_modify.Visible = false;
dataGridView1.Columns[4].Visible = false;
}
}