static void Cleanup()
{
using (var context = new EFRecipesEntities())
{
context.Database.ExecuteSqlCommand("delete from chapter12.salesorder");
context.Database.ExecuteSqlCommand("delete from chapter12.customer");
}
}
static void RunExample()
{
// bad order date
using (var context = new EFRecipesEntities())
{
var customer = new Customer {
Name = "Phil Marlowe"
};
var order = new SalesOrder
{
OrderDate = DateTime.Parse("3/12/18"),
Amount = 19.95M,
Status = "Approved",
ShippingCharge = 3.95M,
Customer = customer
};
context.SalesOrders.Add(order);
try
{
context.SaveChanges();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
// order shipped before it was ordered
using (var context = new EFRecipesEntities())
{
var customer = new Customer {
Name = "Phil Marlowe"
};
var order = new SalesOrder
{
OrderDate = DateTime.Parse("3/12/13"),
Amount = 19.95M,
Status = "Approved",
ShippingCharge = 3.95M,
Customer = customer
};
context.SalesOrders.Add(order);
context.SaveChanges();
try
{
order.Shipped = true;
order.ShippedDate = DateTime.Parse("3/10/13");
context.SaveChanges();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
// order shipped, but not approved
using (var context = new EFRecipesEntities())
{
var customer = new Customer {
Name = "Phil Marlowe"
};
var order = new SalesOrder
{
OrderDate = DateTime.Parse("3/12/13"),
Amount = 19.95M,
Status = "Pending",
ShippingCharge = 3.95M,
Customer = customer
};
context.SalesOrders.Add(order);
context.SaveChanges();
try
{
order.Shipped = true;
order.ShippedDate = DateTime.Parse("3/13/13");
context.SaveChanges();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
// order over $5,000 and shipping not free
using (var context = new EFRecipesEntities())
{
var customer = new Customer {
Name = "Phil Marlowe"
};
var order = new SalesOrder
{
OrderDate = DateTime.Parse("3/12/13"),
Amount = 6200M,
Status = "Approved",
ShippingCharge = 59.95M,
Customer = customer
};
context.SalesOrders.Add(order);
context.SaveChanges();
try
{
order.Shipped = true;
order.ShippedDate = DateTime.Parse("3/13/13");
context.SaveChanges();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
// order deleted after it was shipped
using (var context = new EFRecipesEntities())
{
var customer = new Customer {
Name = "Phil Marlowe"
};
var order = new SalesOrder
{
OrderDate = DateTime.Parse("3/12/13"),
Amount = 19.95M,
Status = "Approved",
ShippingCharge = 3.95M,
Customer = customer
};
context.SalesOrders.Add(order);
context.SaveChanges();
order.Shipped = true;
order.ShippedDate = DateTime.Parse("3/13/13");
context.SaveChanges();
try
{
context.SalesOrders.Remove(order);
context.SaveChanges();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
Console.WriteLine("Press any key to close...");
Console.ReadLine();
}
