public void UpdateAllPipingNodeStructure() { try { if (JCHVRF.Model.Project.GetProjectInstance.SystemListNextGen != null) { foreach (var sysvrf in JCHVRF.Model.Project.GetProjectInstance.SystemListNextGen) { sysvrf.MyPipingNodeOut = null; NextGenBLL.PipingBLL pipBll = GetPipingBLLInstance(); pipBll.LoadPipingNodeStructure(sysvrf); //pipBll.CreatePipingNodeStructure(sysvrf); } } } catch (Exception ex) { } }