private void ThemTram(object sender, EventArgs e)
{
FormTram frm = new FormTram();
frm.txtIDTram.Text = MaTramTuTang();
frm.Show();
}
private void btnSua_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(IDDangChon))
{
MessageBox.Show("Click Vào Dòng Muốn Sửa");
return;
}
FormTram frm5 = new FormTram();
frm5.txtIDTram.Text = IDDangChon;
frm5.txtIDTram.Enabled = false;
frm5.Show();
LoadQLTram();
}