private void Them_GiaVe(object sender, EventArgs e)
{
FormGiaVe frm = new FormGiaVe();
frm.txtIDVe.Text = SttTang().ToString();
frm.Show();
}
private void btnSuaGiaVe_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(IDDangChon) || string.IsNullOrEmpty(STT.ToString()))
{
MessageBox.Show("Click Vào Dòng Muốn Sửa");
return;
}
FormGiaVe frm4 = new FormGiaVe();
frm4.txtIDVe.Text = STT.ToString();
frm4.txtIDVe.Enabled = false;
TruyenGiaVe(IDDangChon);
frm4.Show();
}