private void btnAdd_Click(object sender, EventArgs e)
{
if (tbAirflight.Text == "" || tbFlightNo.Text == "" ||
tbDestination.Text == "")
{
MessageBox.Show("No textboxes can be empty", "Error!",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
//Manage data itself
//All the columns, all the rows
DataSet1 ds1 = new DataSet1();
//Need another object to transfering data to the real database
DataSet1TableAdapters.FlightInfo1TableAdapter taFlight
= new DataSet1TableAdapters.FlightInfo1TableAdapter();
DataSet1.FlightInfo1Row fRow = ds1.FlightInfo1.NewFlightInfo1Row();
fRow.AirLine = tbAirflight.Text;
fRow.FlightNum = tbFlightNo.Text;
fRow.Destination = tbDestination.Text;
fRow.AirplaneType = cmbAirplane.SelectedItem.ToString();
//In the offline database
ds1.FlightInfo1.Rows.Add(fRow);
//Get it back to the real database
taFlight.Update(ds1.FlightInfo1);
//Get the latest database
taFlight.Fill(ds1.FlightInfo1);
cmbFlight.DataSource = ds1.FlightInfo1;
dataGridView1.DataSource = ds1.FlightInfo1;
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
DataSet1 ds1 = new DataSet1();
DataSet1TableAdapters.FlightInfo1TableAdapter taFlight
= new DataSet1TableAdapters.FlightInfo1TableAdapter();
taFlight.Fill(ds1.FlightInfo1);//Get the lateset and put into ds1.flightinfo1
int selected = Convert.ToInt32(cmbFlight.SelectedValue);
DataRow[] dr = ds1.FlightInfo1.Select("ID=" + selected);//Inside is where clause
dr[0]["Airline"] = tbAirflight.Text;
dr[0]["FlightNum"] = tbFlightNo.Text;
dr[0]["Destination"] = tbDestination.Text;
dr[0]["AirplaneType"] = cmbAirplane.SelectedItem.ToString();
taFlight.Update(ds1.FlightInfo1);
MessageBox.Show("Flight Update", "Confirm", MessageBoxButtons.OK,
MessageBoxIcon.Information);
taFlight.Fill(ds1.FlightInfo1);
cmbFlight.DataSource = ds1.FlightInfo1;
dataGridView1.DataSource = ds1.FlightInfo1;
}
private void cmbFlight_SelectedIndexChanged(object sender, EventArgs e)
{
DataSet1 ds1 = new DataSet1();
DataSet1TableAdapters.FlightInfo1TableAdapter taFlight
= new DataSet1TableAdapters.FlightInfo1TableAdapter();
taFlight.Fill(ds1.FlightInfo1);
int selected = Convert.ToInt32(cmbFlight.SelectedValue);
DataRow[] dr = ds1.FlightInfo1.Select("ID=" + selected);
tbAirflight.Text = dr[0]["Airline"].ToString();
tbFlightNo.Text = dr[0]["FlightNum"].ToString();
tbDestination.Text = dr[0]["Destination"].ToString();
cmbAirplane.SelectedItem = dr[0]["AirplaneType"].ToString();
}
private void btnDelete_Click(object sender, EventArgs e)
{
DataSet1 ds1 = new DataSet1();
DataSet1TableAdapters.FlightInfo1TableAdapter taFlight
= new DataSet1TableAdapters.FlightInfo1TableAdapter();
taFlight.Fill(ds1.FlightInfo1);
int selected = Convert.ToInt32(cmbFlight.SelectedValue);
DataRow[] dr = ds1.FlightInfo1.Select("ID=" + selected);
dr[0].Delete();
taFlight.Update(ds1.FlightInfo1);
MessageBox.Show("Flight Deleted", "Confirm", MessageBoxButtons.OK,
MessageBoxIcon.Information);
taFlight.Fill(ds1.FlightInfo1);
cmbFlight.DataSource = ds1.FlightInfo1;
dataGridView1.DataSource = ds1.FlightInfo1;
}