private void btnLoaiSP_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { frmLoaiSP loaisp = new frmLoaiSP(); loaisp.MdiParent = this; loaisp.Show(); }
private void btnLoaiSP_Click(object sender, EventArgs e) { frmLoaiSP LoaiSP = null; if (LoaiSP == null || LoaiSP.IsDisposed) { LoaiSP = new frmLoaiSP(); } LoaiSP.ShowDialog(); }