private void btnRegisterAsset_Click(object sender, EventArgs e)
        {
            this.Hide();
            AssetRegistration registerAsset = new AssetRegistration();

            registerAsset.Show();
        }
        private void registerAssetToolStripMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                ////this.IsMdiContainer = true;
                //AssetRegistration registerAsset = new AssetRegistration();
                //registerAsset.MdiParent = this;
                //registerAsset.FormBorderStyle = FormBorderStyle.None;
                //registerAsset.Dock = DockStyle.Fill;
                //registerAsset.Show();

                checkIfTabExist(registerAssetToolStripMenuItem.Text);

                if (!isTabExist)
                {
                    if (RegisterUser.IsCameraConnected)
                    {
                        RegisterUser.cam.Stop();
                        //RegisterUser.cam = null;
                        //RegisterUser.reader.CloseCom();
                    }

                    AssetRegistration registerAsset = new AssetRegistration();
                    registerAsset.TopLevel = false;
                    TabPage tp = new TabPage(registerAssetToolStripMenuItem.Text);
                    tabCtrlMainMenu.TabPages.Add(tp);
                    tabCtrlMainMenu.SelectedTab = tp;
                    tp.ImageIndex                 = 0;
                    registerAsset.Parent          = tp;
                    registerAsset.FormBorderStyle = FormBorderStyle.None;
                    registerAsset.Dock            = DockStyle.Fill;

                    if (AssetRegistration.IsCameraConnected)
                    {
                        AssetRegistration.cam.Start();
                    }

                    registerAsset.Show();

                    if (AssetRegistration.portname == string.Empty)
                    {
                        serialPortToolStripMenuItem.PerformClick();
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
        private void btnRegisterAsset_Click(object sender, EventArgs e)
        {
            /*if (string.IsNullOrEmpty(cmbComPort.Text))
             * {
             *  MessageBox.Show("Please select Port number.", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
             *  cmbComPort.Focus();
             *  return;
             * }
             * else
             * {*/
            this.Hide();
            AssetRegistration registerAsset = new AssetRegistration();

            registerAsset.Show();
            //}
        }