title: jQuery: check all checkboxes
body: <p>Consider this scenario:</p>
  
  <ul>
  <li><code>&lt;asp:CheckBoxList&gt;</code> in a master page.</li>
  <li>the goal is to have all checkboxes in this list to be checked on page load.</li>
  <li>there are many checkbox lists on the page.</li>
  </ul>
  
  <p>The markup:</p>
  
  <pre><code>    &lt;asp:CheckBoxList runat="server" ID="chkSubscriptionType" 
          DataSourceID="myDS"
          CssClass="boxes" DataTextField="Name" DataValueField="Name"  /&gt;
  </code></pre>
  
  <p>renders to:</p>
  
  <p><code>&lt;input id="ctl00_cphContent_chkSubscriptionType_0" type="checkbox" name="ctl00$cphContent$chkSubscriptionType$0" /&gt;</code></p>
  
  <p><strong>Question:</strong> how can you use jQuery to check all boxes in this <code>asp:CheckBoxList</code> on <code>document.ready</code>? I see samples everywhere, but naming convention used by the master page throws off the samples in other places.</p>