How to find all the prime numbers between two given numbers? Vb.net code for beginners

     Like my earlier post , in this project I have used following Windows Controls 
  • Textbox- I have used to text boxes for getting the range of number from which we need to find the prime numbers.
  • Listbox- I have used one list box to show the result
  • One Button control to execute the Vb.net code on click event of button control
  • Required number of label control to name the various control