What is Best Approach for Opening/Closing SqlConnection in C#

Question

I would like to know what could be best approach to open a SqlConnection with Sql Server 2008R2 Express Edition Database. This Version of Sql has Limit

Answer 1

Just use using as it disposes of the connection once done.

 using(SqlConnection conn = new SqlConnection("Connection string")){
  //do sql stuff
  conn.Open(); 
  //etc etc
  conn.Close();
 }