Combo box related coding questions

👩‍💻 Technical question

Asked almost 2 years ago in C# by Enki

c# da ucak rezervasyon programı yaz her ülkenin şehirlerini ve şehirlerin hava alanlarını ve hava alanlarının acık kapalı olmasını classa kaydet ayrıca her hava alanında 20 ucak vee 100 kapasiteli olacak sekilde olustur ve ucaklar icin ayrı class acıp model no seri no bakım tarihi yolcu kapasitesini tut ve içine ucaklar ekle, ülke seçimi için combo box combo boxta seçilen ülkenin şehirleri için bir combo box ve şehirlerin hava alanları için bir combo box oluştur

🤖 SheCodes Athena says:

Answered in 6.91 seconds

This is a task that requires more detailed explanations and it involves creating multiple classes and forms. Here is an outline of the steps you could follow:

Create a class named Airport which will hold the information about an airport such as name, city, country, and whether it's open or closed. Also, include a property that has a list of 20 planes for that airport.

csharp
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public class Airport {
   public string Name { get; set; }
   public string City { get; set; }
   public string Country { get; set; }
   public bool IsOpen { get; set; }
   public List<Plane> Planes { get; set; }
   // ...
}

Create a Plane class that includes properties for plane's model, serial number, maintenance date, and passenger capacity.

csharp
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public class Plane {
   public string ModelNumber { get; set; }
   public string SerialNumber { get; set; }
   public DateTime MaintenanceDate { get; set; }
   public int PassengerCapacity { get; set; }
   // ...
}

Create a form that displays a combo box of countries. Once a country is selected, populate another combo box with its cities, and when a city is selected, populate another combo box with its airports.
When the airport is selected, display the details of the selected airport, including the list of planes and their details.
When the user selects a plane, the form should display its details.
When the user tries to book a ticket, check if there is enough space on the plane. If yes, update the plane's passenger count and save the changes. If no, display an error message.

Keep in mind that this is just a rough outline of what the program should look like. It is recommended that you further research and break down the tasks into smaller, more manageable parts. Here are a few resources that you might find helpful:

C# Windows Forms Application tutorial: https://docs.microsoft.com/en-us/dotnet/desktop/winforms/getting-started/
How to use combo boxes: https://docs.microsoft.com/en-us/dotnet/api/system.windows.forms.combobox
Working with classes in C#: https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/classes-and-structs/classes

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