private void BtnThemNCCMoi_Click(object sender, EventArgs e)
{
frmNhaCungCap kh = new frmNhaCungCap();
kh.ShowDialog();
//cbNhaCungCap.DataSource = Dal.loa();
//cboKH.DisplayMember = "TenKH";
//cboKH.ValueMember = "MaKH";
}
private void barButtonItem7_ItemClick(object sender, ItemClickEventArgs e)
{
Form form = IsActive(typeof(frmNhaCungCap));
if (form == null)
{
frmNhaCungCap f = new frmNhaCungCap();
f.MdiParent = this;
f.Show();
}
else
{
form.Activate();
}
}