MySqlConnection myConnection; myConnection = new MySqlConnection(); myConnection.ConnectionString = "database="+database+";server="+server+";user id="+user+";Password="+password; try { myConnection.Open(); } catch (MySqlException MyException) { Console.WriteLine("Connection error: MySQL code: "+MyException.Number +" "+ MyException.Message); } try { MySqlCommand myCommand = new MySqlCommand("call error_test_proc(1)", myConnection); myCommand.ExecuteNonQuery(); } catch (MySqlException MyException) { Console.WriteLine("Stored procedure error: MySQL code: " + MyException.Number + " " + MyException.Message); }