how to make user select only one check box in a checkboxlist
<p>i have an check boxlist with (6 items under it). and i have an search button. if user  clicks Search button  it  gets  all the result. 
 i am  binding the  items   for checkboxlist   using database  in .cs  file</p>

<p><strong>condition1:</strong>
but now if user  selects a checkbox[item1] its gets selected
 and he  tries to select an   2 checkbox[item2] then firstselected  checkbox[item1]  should be  unselected. only  checkbox[item2]  should  be selected</p>

<p><strong>condition 2:</strong>
now if user  as  selected checkbox1 [item1] it  gets selected.  and now if user again clicks on checkboxi[item1]   then  it  should get deselected.</p>

<p>either  you can  provide  me the  solution in javascript or JQuery
 any help would  be great . looking forward  for an solution
 thank you</p>
