private void btn_nhapdiemmonhoc_Click(object sender, EventArgs e) { NhapBangDiemMonHoc nbdmh = new NhapBangDiemMonHoc(); this.Hide(); nbdmh.ShowDialog(); this.Show(); }
private void họcKìToolStripMenuItem_Click(object sender, EventArgs e) { NhapBangDiemMonHoc nbdmh = new NhapBangDiemMonHoc(); nbdmh.Show(); }