title: how to call php website through API using asp.net C#
body: <p>i am trying to call a php Api through API using asp.net c#, could anyone please help me
  i want to call the following API
  username: admin
  password: ****</p>
  
  <pre><code>http://Ip Hidden/WHMCS_1/includes/api.php
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/v4RIu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/v4RIu.png" alt="enter image description here"></a>
  check the following code it throw error 
  thanks in advance</p>