private void toolDaiDien_Click(object sender, EventArgs e)
{
frmCreate create = new frmCreate();
create.StartPosition = FormStartPosition.CenterParent;
create.ShowDialog();
}
private void btnThem_Click(object sender, EventArgs e)
{
this.Hide();
frmCreate them = new frmCreate();
them.StartPosition = FormStartPosition.CenterParent;
them.ShowDialog();
this.Close();
}