title: How to calculate how many checkboxes are checked in VB.Net
body: <p>I have 3 asp.net standard checkbox control and 1 textbox. I check 1 and 3 checkboxes. In textbox how to calculate how many checkboxes are checked? If I checked 1 then textbox result is 1. If I check 1,2 the textbox result is 2. If I check all checkboxes then the result is 3</p>
  
  <p>How to do this in vb.net?</p>