private void KHToolStripMenuItem_Click(object sender, EventArgs e) { if (kh == null || kh.IsDisposed) { kh = new fKhachHang(); } kh.MdiParent = this; kh.Show(); }
private void taskItemKH_Click(object sender, EventArgs e) { if (kh == null || kh.IsDisposed) { kh = new fKhachHang(); } kh.MdiParent = this; kh.Show(); }