If you have to select one of the options from various possibilities then your best option is to use the case
In VB.NET you would used something like below.
Select [ Case ] testexpression
[ Case expressionlist
[ statements ] ]
[ Case Else
[ elsestatements ] ]
End Select
Here is more practical example:
Dim intMyNumber as Integer = 20
Select Case intMyNumber
Case 1
Debug.WriteLine("The value of my number is 1")
Case 2,3,4
Debug.WriteLine("The value of my number is between 2 and 4.")
Case 5 to 9
Debug.WriteLine("The value of my number is between 5 and 9")
Case Else
Debug.WriteLine("The value of my number is not in 1 to 9")
End Select