BExIS.Dcm.CreateDatasetWizard.CreateTaskmanager.Get C# (CSharp) Method

        public StepInfo Get(int id)
        {
            StepInfo stepInfo;

            foreach (StepInfo si in this.StepInfos)
            {
                if (si.Id.Equals(id)) return si;

                if (si.Children.Count > 0)
                {
                    stepInfo = get(si, id);

                    if (stepInfo != null) return stepInfo;
                }
            }

            return null;
        }

        public ActionResult RemoveComplexUsage(int parentStepId, int number)
        {
            TaskManager = (CreateTaskmanager)Session["CreateDatasetTaskmanager"];

            TaskManager.SetCurrent(TaskManager.Get(parentStepId));

            StepModelHelper stepModelHelper = GetStepModelhelper(parentStepId);
            RemoveFromXml(stepModelHelper.XPath + "//" + UsageHelper.GetNameOfType(stepModelHelper.Usage).Replace(" ", string.Empty) + "[" + number + "]");

            BaseUsage u = LoadUsage(stepModelHelper.Usage);

            if (u is MetadataAttributeUsage || u is MetadataNestedAttributeUsage)
            {
                CreateCompoundModel(TaskManager.Current().Id, true);
            }

            if (u is MetadataPackageUsage)
            {
                stepModelHelper.Model = CreatePackageModel(TaskManager.Current().Id, true);
            }

            stepModelHelper.Childrens.RemoveAt(number - 1);

            //add stepModel to parentStepModel
            for (int i = 0; i < stepModelHelper.Childrens.Count; i++)
            {
                stepModelHelper.Childrens.ElementAt(i).Number = i + 1;
            }

            TaskManager.Remove(TaskManager.Current(), number - 1);

            if (u is MetadataAttributeUsage || u is MetadataNestedAttributeUsage)
            {
                return PartialView("_metadataCompoundAttributeView", stepModelHelper);

            }
            else if (u is MetadataPackageUsage)
            {
                return PartialView("_metadataCompoundAttributeView", stepModelHelper);
            }

            return null;
        }