title: how to get selected items count in asp:checkboxlist
body: <p>i have a checkboxlist control</p>
  
  <pre><code>&lt;asp:CheckBoxList ID="chkselectedItems" Font-Size="12px" runat="server"&gt; 
   &lt;/asp:CheckBoxList&gt;
  </code></pre>
  
  <p>and i created listitems on it dynamically.If i checked more than one item from the checkbox list, How i get the selected item count using asp.net</p>
  
  <p>thanks</p>