private void LogIn_Load(object sender, EventArgs e) { dc = new DataCon(); dc.openCon(); SqlDataReader dr = dc.execSelect("SELECT * FROM tempuser"); int counter = 0; while (dr.Read()) { SignIn.setDetails((int)dr[0], (String)dr[3], (String)dr[2], (String)dr[1]); counter++; } if (counter == 1) { dc2 = new DataCon(); dc2.execInsert("DELETE FROM tempuser where lid ='" + SignIn.getLogIn() + "'"); new Dashboard().Show(); this.Hide(); } else { this.Visible = true; } }