ASP.Net 3.5 1. Considering the fact that the oldest person in the world lived to

Question

ASP.Net 3.5

1. Considering the fact that the oldest person in the world lived to be 122, what is the best numeric data type to store a person’s age?

2. What does the following code do?

VB.NET
DeleteButton.Visible = ShoppingCart.Items.Count > 0

C#
DeleteButton.Visible = ShoppingCart.Items.Count > 0;

3. Given the following class Person, what would the code look for a new class PersonWithPhoneNumber? Make use of inheritance to create this new class.

VB.NET
Public Class Person
Private _name as String
Public Property Name() As String
Get
Return _name
End Get
Set (ByVal value as String)
_name = value
End Set
End Property
End Class

C#
public class Person
{
public string Name { get; set; }
}

Explanation / Answer

1.The best numeric data type to store a person’s age is an integer Datatype.                          Ex: Dim age as Integer. 2. If ShoppingCart items count greater than 0,then the Delete button is visible otherwise invisible. 3. New Class by using inheritance:         Public class PersonWithPhoneNumber         Inherits Person         'Private member varibles         Private PhoneNumber as Integer        'PhoneNumber Property
       Public Property Number() As String
       Get
          Return PhoneNumber         End Get
          Set (ByVal value as String)
       PhoneNumber = value
        End Set
     End Property
       End Class

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