private void barButtonItem4_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
frmDocGia fm = new frmDocGia();
bool Exist = ExistForm(fm);
if (Exist)
{
return;
}
fm.MdiParent = this;
fm.Show();
}
private void pictureBox2_Click(object sender, EventArgs e)
{
Form DG = new frmDocGia();
DG.ShowDialog();
}
private void độcGiảToolStripMenuItem_Click(object sender, EventArgs e)
{
Form DG = new frmDocGia();
DG.ShowDialog();
}