private void hủyPhíTrảMuộnToolStripMenuItem1_Click(object sender, EventArgs e) { HuyPhiTraMuon frmHuyPTM = new HuyPhiTraMuon(); foreach (Form frm in MdiChildren) { frm.Close(); } frmHuyPTM.MdiParent = this; frmHuyPTM.Show(); }
private void hủyPhíTrảMuộnToolStripMenuItem1_Click(object sender, EventArgs e) { HuyPhiTraMuon frmHuyPTM = new HuyPhiTraMuon(); hienForm(frmHuyPTM); }