title: How to concatenate ID of table data (td) field with server side value?
body: <p>I want to concatenate the table data <code>&lt;td&gt;</code> ID with the server side value.<br>
  The dot operator does not work.</p>
  
  <p>HTML code. </p>
  
  <pre><code>&lt;td id="no_".&lt;%=item.Id%&gt;&gt;  
  </code></pre>
  
  <p>JavaScript code, where I want to use its value  </p>
  
  <pre><code>var tblcd=$("#tc_".id).val(); 
  </code></pre>