private void btnlichgiangday_Click(object sender, EventArgs e) { FormGiangDay fr = new FormGiangDay(); fr.Show(); Hide(); }
private void btnThoat_Click(object sender, EventArgs e) { this.Hide(); FormGiangDay gd = new FormGiangDay(); gd.Show(); }
private void lgdtc_Click(object sender, EventArgs e) { FormGiangDay fr = new FormGiangDay(); fr.Show(); Hide(); }