private void ButtonRun_Click(object sender, EventArgs e) { var conn = new OraConnection(); conn.CreateNewConnection("Data Source=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(Host=11.22.33.44)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=CUSTOMDB)));User Id=system;Password=System01;"); var obj = conn.GetScalar(@"select {0} from dual", string.Empty); //var date = conn.TestMethod(); //textBoxResult.Text = date.ToString(); //textBoxResult.Text += Environment.NewLine; //textBoxResult.Text += conn.TestMethodTwo(514); conn.CloseConnection(); }