private void roomTypeListBox_SelectedIndexChanged(object sender, EventArgs e) { if (roomTypeListBox.SelectedIndex == 1) { TwinBedCheck.Show(); } else { TwinBedCheck.Hide(); } roomList(); SqlCommand cmd = new SqlCommand("SELECT * from Billing where Room='" + roomTypeListBox.Text + "'", con); con.Open(); cmd.ExecuteNonQuery(); SqlDataReader dr; dr = cmd.ExecuteReader(); while (dr.Read()) { string priceSH = (string)dr["PriceShRoom"].ToString(); nisPerNight.Text = priceSH; } con.Close(); }
public void NewReservation_Load(object sender, EventArgs e) { TwinBedCheck.Hide(); string queryRoo = "Select * from Billing"; SqlCommand cmd = new SqlCommand(queryRoo, con); try { con.Open(); SqlDataReader reader = cmd.ExecuteReader(); while (reader.Read()) { roomTypeListBox.Items.Add(reader[2]).ToString(); dinningListBox.Items.Add(reader[1]).ToString(); } } catch (Exception ex) { MessageBox.Show(ex.Message); } con.Close(); if (string.IsNullOrEmpty(dinningPerNight.Text)) { dinningPerNight.Text = "0"; } if (string.IsNullOrEmpty(totalNis.Text)) { totalNis.Text = "0"; } if (string.IsNullOrEmpty(noOfNights.Text)) { noOfNights.Text = "0"; } if (string.IsNullOrEmpty(nisPerNight.Text)) { nisPerNight.Text = "0"; } }