title: using Request.QueryString and Eval in aspx page
body: <p>this is a link using eval and Request.QueryString :</p>
  
  <pre><code>&lt;a href='&lt;%"/City.aspx?City=" = Request.QueryString["City"]; %&gt; + &lt;%#Eval("CatID") %&gt;' class="btn btn-default"&gt;link1&lt;/a&gt;
  </code></pre>
  
  <p>there is a syntax error I Can't figure out</p>