public ActionResult Validate()
{
TaskManager = (CreateTaskmanager)Session["CreateDatasetTaskmanager"];
if (TaskManager != null && TaskManager.Bus.ContainsKey(CreateTaskmanager.METADATA_STEP_MODEL_HELPER))
{
List<StepModelHelper> stepInfoModelHelpers = (List<StepModelHelper>)TaskManager.Bus[CreateTaskmanager.METADATA_STEP_MODEL_HELPER];
ValidateModels(stepInfoModelHelpers.Where(s => s.Activated && s.IsParentActive()).ToList());
}
return RedirectToAction("ReloadMetadataEditor", "Form");
}