public static OrderModel Create(Order order)
{
return new OrderModel
{
CustomerID = order.CustomerID,
IsShipped = order.ShippedDate.HasValue,
OrderID = order.OrderID,
ShipCity = order.ShipCity
};
}
/* 09. Create a method that places a new order in the Northwind database. The order should contain several order items. Use transaction to ensure the data consistency.*/
/// <summary>
/// Mains this instance.
/// </summary>
public static void Main()
{
var order = new Order
{
CustomerID = "TOMSP",
EmployeeID = 1,
Freight = 5M,
OrderDate = new DateTime(1995, 12, 11),
RequiredDate = new DateTime(1995, 12, 30),
ShipAddress = "Ship Address",
ShipCity = "Ship City",
ShipCountry = "Ship Country",
ShipName = "Ship Name"
};
AddOrderMultipleTimes(order);
Console.WriteLine("DONE!");
}
/// <summary>
/// Adds an order multiple times to the db. Transaction demo.
/// </summary>
/// <param name="order">The order.</param>
private static void AddOrderMultipleTimes(Order order)
{
using (var northwindDbContext = new NorthwindEntities())
{
northwindDbContext.Orders.Add(order);
northwindDbContext.Orders.Add(order);
northwindDbContext.Orders.Add(order);
//// Uncomment to see transaction power!
// order.CustomerID = "PESHO_ZLIA";
northwindDbContext.Orders.Add(order);
northwindDbContext.Orders.Add(order);
try
{
northwindDbContext.SaveChanges();
}
catch (Exception)
{
Console.WriteLine("Error! Orders not confirmed!");
}
}
}
private static void PlaceNewOrder(
int orderId, string customerId = null,
int? employeeId = null, DateTime? orderDate = null,
DateTime? requireDate = null, DateTime? shippedDate = null,
int? shipVia = null, decimal? freight = null,
string shipName = null, string shipAddress = null,
string shipCity = null, string shipRegion = null,
string shipPostalCode = null, string shipCountry = null)
{
//9. Create a method that places a new order in the Northwind database. The order
//should contain several order items. Use transaction to ensure the data consistency.
using (NorthwindEntities dbContext = new NorthwindEntities())
{
Order newOrder = new Order()
{
CustomerID = customerId,
EmployeeID = employeeId,
Freight = freight,
OrderDate = orderDate,
OrderID = orderId,
RequiredDate = requireDate,
ShipAddress = shipAddress,
ShipCity = shipCity,
ShipCountry = shipCountry,
ShipName = shipName,
ShippedDate = shippedDate,
ShipPostalCode = shipPostalCode,
ShipRegion = shipRegion,
ShipVia = shipVia,
};
dbContext.Orders.Add(newOrder);
dbContext.SaveChanges();
}
}