private void button2_Click(object sender, EventArgs e) { if (lblID.Text != null) { var frm = new New_Trip(int.Parse(lblID.Text)); frm.Show(); } }
private void button1_Click(object sender, EventArgs e) { var cmd = DBConn.CreateCommand(); cmd.CommandText = "INSERT INTO trip (date, place) VALUES (@date, @place)"; cmd.Parameters.AddWithValue("@date", dtp.Value); cmd.Parameters.AddWithValue("@place", txtPlace.Text); var recs = cmd.ExecuteNonQuery(); if (recs > 0) { cmd.CommandText = "SELECT MAX(tripID) FROM trip"; var tripID = int.Parse(cmd.ExecuteScalar().ToString()); var frm = new New_Trip(tripID); frm.Show(); } else { MessageBox.Show("Couldn't create new trip." + Environment.NewLine + "Please try again.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } }