public void Tram_CbbTramDen(ComboBox cbb1, ComboBox cbb2)
{
DAO_Tram daTram = new DAO_Tram();
int maTram = daTram.Find_IDTramByName(cbb2.SelectedValue.ToString());
cbb1.DataSource = daTram.Fill_CBBTramDenVe(maTram);
cbb1.DisplayMember = "TenTram";
cbb1.ValueMember = "TenTram";
if (cbb1.Items.Count > 0)
{
cbb1.SelectedIndex = 0;
}
}
public void Tuyen_FillDGV(ComboBox cbb, DataGridView dgv)
{
DAO_Tuyen daTuyen = new DAO_Tuyen();
DAO_Tram daTram = new DAO_Tram();
string tenTram = "";
if (cbb.Items.Count > 0)
{
tenTram = cbb.SelectedValue.ToString();
}
int ID_Tram1 = Convert.ToInt32(daTram.Find_IDTramByName(tenTram));
dgv.DataSource = daTuyen.Fill_TuyenXe(ID_Tram1);
}