title: ASP.NET - How to add variable in string
body: <p>I want to add variable in string.</p>
  
  <p><strong>This is my code</strong></p>
  
  <p>btnAddHelp.Attributes.Add("onclick", "return confirm('Are you sure to navigate__<strong>variable</strong>__ to other page?');"); </p>
  
  <p><strong>my problem is with apostrophes</strong></p>