private void guna2CircleButton5_Click(object sender, EventArgs e)
        {
            OpenFileDialog oFile = new OpenFileDialog();

            oFile.Filter = "Tap tin .png|*.png|.jpg|*.jpg|Tat ca |*.*";


            if (oFile.ShowDialog() == DialogResult.OK)
            {
                img  = Path.GetFileName(oFile.FileName);
                path = oFile.FileName;
            }
            if (_editNCC.UpdateLogo(img, _MaNCC))
            {
                File.Copy(path, Path.Combine(Application.StartupPath + "\\Images\\", Path.GetFileName(path)), true);
                UpdateImage();
            }
        }