title: I have published asp.net core project and getting the connection string error
body: <p>I have pusblished asp.net core apllication and i am getting the  error IIs 502.5 error and when i saw the logs following detail were there.
  Unhandled Exception: System.FormatException: Could not parse the JSON file. Error on line number '3': '&quot;ConnectionStrings&quot;: {
  &quot;DefaultConnection&quot;: &quot;Server=.\SQLEXPRESS;Initial Catalog=twt21;User ID=twt2;Password=3Elwj5#9;&quot;'. ---&gt; Newtonsoft.Json.JsonReaderException: Bad JSON escape sequence: \S. Path 'ConnectionStrings.DefaultConnection', line 3, position 40.</p>