private void cb_floor_SelectedIndexChanged(object sender, EventArgs e)
{
ComboBox cb = (ComboBox)sender;
if (int.TryParse(cb_floor.SelectedValue.ToString(), out int number))
{
this.floor_id = cb_floor.SelectedValue.ToString();
this.floor_name = cb.Text;
tableZone = new TableZone();
DataTable dataZone = tableZone.getZoneByFloorId(this.floor_id);
if (dataZone.Rows.Count > 0)
{
cb_zone.DataSource = dataZone;
cb_zone.ValueMember = "id";
cb_zone.DisplayMember = "name";
}
else
{
FLP_tables.Controls.Clear();
this.cb_zone.SelectedIndexChanged -= new EventHandler(cb_zone_SelectedIndexChanged);
cb_zone.DataSource = null;
cb_zone.Items.Clear();
this.cb_zone.SelectedIndexChanged += new EventHandler(cb_zone_SelectedIndexChanged);
}
}
}
private void cb_floor_SelectedIndexChanged(object sender, EventArgs e)
{
ComboBox cb = (ComboBox)sender;
if (int.TryParse(cb.SelectedValue.ToString(), out int number))
{
TableZone tableZone = new TableZone();
cb_zone.DataSource = tableZone.getZoneByFloorId(number.ToString());
cb_zone.ValueMember = "id";
cb_zone.DisplayMember = "name";
}
}