This simple program can be use as one of your activity in programming subject. It’s kind of interesting to know how to reverse set of numbers especially when done in VB.Net. Surely, your student will have fun learning this simple program.

Creating Application

Step 1

Open Microsoft Visual Studio 2015 and create a new windows form application. After that, do the form just like shown below.

Step 2

Double click the form to fire the code view. In the code view, declare an integer and create a function to reverse the given number in the textbox.

1. Dim
   
   r As
   
   Integer
   
2. Public
   
   Function
   
   Reverse(rn As
   
   Integer
   
   )
   
3. Dim
   
   numbers = Val(TextBox1.Text)
   
4. Dim
   
   result As
   
   Integer
   
5. While
   
   numbers > 0
   
6. rn = numbers Mod
   
   10
   
7. result = result * 10 + rn
   
8. numbers = numbers \ 10
   
9. End
   
   While
   
10. Reverse = result
    
11. End
    
    Function
    

Step 3

Do the following codes to display the reverse numbers in another textbox when clicked.

1. Private
   
   Sub
   
   Button1_Click(sender As
   
   Object
   
   , e As
   
   EventArgs) Handles Button1.Click
   
2. TextBox2.Text = Reverse(r)
   
3. End
   
   Sub
   

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