title: check connection from C# app to oracle 10g database
body: <p>How can I check connection from C# app to oracle 10g database?</p>
  
  <p>For example I have Oracle server on machine with IP 10.50.65.2. I maintain IP, Port in app.config.</p>
  
  <p>I move app to another pc connected to another network. I need  check if it is possible create  correct connection with database server.</p>
  
  <p>If it is not possible create db connection I need 
  show only simple message please modify db connection data in app.config.</p>