Exercise: Write properties to get an application form to work

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Category ==> Visual Basic 2010  (42 exercises)
Topic ==> Creating properties  (3 exercises)
Level ==> Relatively easy
Course ==> Introduction to VB.NET
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Press CTRL + D to add the file called frmOldies.vb from the above folder into your project (or right click on the project and choose to add it as an existing item). 

Change your project's properties to make this the default form for your project.  When you run your project, you should see this:

Oldies dating agency form

When someone clicks on the button shown, they should see their name, age and status (see below for how this is calculated) displayed back to them.


Add the following properties to your application:

Property Type Contains
PersonName Read-only The name of the applicant
Age Read-only The age of the applicant
Status Read-only Senior citizen if over 65; adult if over 18; child otherwise
IfEligible Read-only Whether this person can join (they must be over 65 to do so)

Attach the following code to the button on the form:

'print out details of this person (must reference

'System.Diagnostics namespace at top of code)

Debug.WriteLine("PROPERTY VALUES")

Debug.WriteLine(" ")


Debug.WriteLine("Name = " + personName)

Debug.WriteLine("Age = " + age.ToString())

Debug.WriteLine("Status = " + status)

If IfEligible Then



Debug.WriteLine("Not eligible")

End If


Here's what your output should look like when you enter a couple of people's details:

Debug output from application form

What you might see after two people at opposite ends of life have typed in their details.


Is the idea of an online dating agency for senior citizens a viable one? 

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