title: Vice Versa query in sql query
body: <p>How to block users vice versa in application level through write sql query. Actually my requirement is I block one user in my application I can't see her profile in my timeline and as well as(at the same time) blocked person also can't access(See) my profile in her timeline. Here I write one query and it's working one side means I can't see her profile in my timeline working fine, but I want both sides(vice versa) and I'm passing only User_Id in my web service. I'm passing user_id only in my web service. any one please resolve my issue. And in my table there columns only </p>
  
  <pre><code>Block_Id, user_id, Block_user_id.
  </code></pre>
  
  <p>I'm passing <code>user_id</code> only</p>
  
  <p>This is my one side working SQL query</p>
  
  <pre><code>WHERE audMst.user_id NOT IN (SELECT Block_user_id 
                               FROM tbl_UserBlockMaster 
                               WHERE user_id = @user_id)
  </code></pre>