private void DataGridview_DoubleClick(object sender, EventArgs e) { if (dangky == null || dangky.IsDisposed) { dangky = new PhieuDangKy(ctrl); dangky.Show(); } else { dangky.Activate(); } }
private void bindingNavigatorAddNewItem_Click(object sender, EventArgs e) { if (dangky == null || dangky.IsDisposed) { dangky = new PhieuDangKy(); dangky.Show(); } else { dangky.Activate(); } }