public ActionResult Cancel(string id)
{
if (string.IsNullOrEmpty(id))
{
throw new InvalidOperationException("The value of id can not be null or empty.");
}
Guid shipmentId;
try
{
shipmentId = new Guid(id);
}
catch (FormatException)
{
throw new InvalidOperationException("The value of id is incorrect.");
}
var repository = new ShipmentRepository();
repository.DeleteShipment(shipmentId);
return(this.RedirectToAction("Index"));
}