private void btnPost_Click(object sender, EventArgs e)
{
var frm_baiDang = new dsBaiDang();
frm_baiDang.Location = this.Location;
frm_baiDang.StartPosition = FormStartPosition.Manual;
frm_baiDang.FormClosing += delegate { this.Show(); };
frm_baiDang.Show();
this.Hide();
}
private void btnPost_Click(object sender, EventArgs e)
{
Form f = new dsBaiDang();
f.Show();
}