private void advTreeCamera_MarkupLinkClick(object sender, DevComponents.AdvTree.MarkupLinkClickEventArgs e) { if (e.HRef == "del") { m_viewModel.DelCameraByID(Convert.ToUInt32(advTreeCamera.SelectedNode.Cells[0].Text)); m_viewModel.FlushCameraList(); if (advTreeVideoSupplier.SelectedNode != null) { uint videoSupplierId = Convert.ToUInt32(advTreeVideoSupplier.SelectedNode.Cells[0].Text); advTreeCamera.DataSource = m_viewModel.GetCameraListByVideoSupplierID(videoSupplierId); } } }