title: How to echo something in C# in an .aspx file
body: <p>I know you can do this</p>
  
  <pre><code>&lt;%= Request.Form[0] %&gt;
  </code></pre>
  
  <p>But how do you do something like this?</p>
  
  <pre><code>&lt;% if(Request.Form[0]!=null)
       echo "abc";
  %&gt;
  </code></pre>