Code to GET custom property "SM_ORDER_=01" of the part and open the web browser to MRP

Code to GET custom property "SM_ORDER_=01" of the part and open the web browser to MRP

private void lifter_select_panel(int Tekla_ID_Select, string mouse_side)
        {
            Tekla.Structures.Model.Model TSM = new Tekla.Structures.Model.Model();
            Tekla.Structures.Identifier TeklaID = new Tekla.Structures.Identifier(Tekla_ID_Select);
            Tekla.Structures.Model.ModelObject mo = TSM.SelectModelObject(TeklaID);

            if (mouse_side == "Right")
            {
                string order_n = "";
                mo.GetUserProperty("SM_Order_01", ref order_n);
                string jarvis_url = @"http://192.168.1.58/intranet/w_pedidos/index.php?txped=" + order_n;
                System.Diagnostics.Process.Start(jarvis_url);
            }
            else
            {
                Tekla.Structures.Model.Part PickPart = mo as Tekla.Structures.Model.Part;
                Tekla.Structures.Geometry3d.AABB PartBoundingBox = new Tekla.Structures.Geometry3d.AABB();
                if (PickPart != null)
                {
                    Tekla.Structures.Model.Solid PartSolid = PickPart.GetSolid();
                    PartBoundingBox.MaxPoint = PartSolid.MaximumPoint;
                    PartBoundingBox.MinPoint = PartSolid.MinimumPoint;
                }

                Tekla.Structures.Model.UI.ModelViewEnumerator ViewEnum = Tekla.Structures.Model.UI.ViewHandler.GetVisibleViews();
                while (ViewEnum.MoveNext())
                {
                    Tekla.Structures.Model.UI.View ViewSel = ViewEnum.Current;
                    Tekla.Structures.Model.UI.ViewHandler.ZoomToBoundingBox(ViewSel, PartBoundingBox);
                }
                Tekla.Structures.Model.UI.ModelObjectSelector MS = new Tekla.Structures.Model.UI.ModelObjectSelector();
                System.Collections.ArrayList Objects_MS = new System.Collections.ArrayList();
                Objects_MS.Add(mo);
                MS.Select(Objects_MS);
                // TSM.CommitChanges();
            }
        }
 string order_n = "";
                mo.GetUserProperty("SM_Order_01", ref order_n);
                string jarvis_url = @"http://192.168.1.58/intranet/w_pedidos/index.php?txped=" + order_n;