try 
              { 
                  MySqlConnectionStringBuilder sb = new MySqlConnectionStringBuilder(); 
                  sb.Server = "***"; 
                  sb.UserID = "***"; 
                  sb.Password = "***"; 
                  sb.Database = "***"; 
                  sb.Port = 3306; 
                  con = new MySqlConnection(sb.ToString()); 
                  con.Open(); 
              } 
              catch(Exception e) 
              { 
                  System.Windows.Forms.MessageBox.Show("Veritabanına bağlanılamadı, program sonlandırılıcak\n" + e.Message); 
                  System.Windows.Forms.Application.Exit(); 
              }