private void navBarItemOfferStorage_LinkClicked(object sender, NavBarLinkEventArgs e) { try { restForeColorOfNavBarItem(); NavBarItem navBarItem = (NavBarItem)sender; navBarItem.Appearance.ForeColor = Color.Blue; if (!xtraTabControlSalesContent.Visible) { xtraTabControlSalesContent.Visible = true; } XtraTabPage xtraTabPage = getTabPage(xtraTabControlSalesContent, "تسجيل كميات العروض"); if (xtraTabPage == null) { xtraTabControlSalesContent.TabPages.Add("تسجيل كميات العروض"); xtraTabPage = getTabPage(xtraTabControlSalesContent, "تسجيل كميات العروض"); } xtraTabPage.Controls.Clear(); xtraTabControlSalesContent.SelectedTabPage = xtraTabPage; OfferStorage objForm = new OfferStorage(this); objForm.TopLevel = false; xtraTabPage.Controls.Add(objForm); objForm.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None; objForm.Dock = DockStyle.Fill; //objForm.DisplayAtaqm(); objForm.Show(); } catch (Exception ex) { MessageBox.Show(ex.Message); } }