private PreassignedWorkflow ExecuteLoadWorkflow(string LOAD_WORKFLOW)
{
IProject project = _element.Project;
var xmlDoc = project.ExecuteRQL(LOAD_WORKFLOW.RQLFormat(project.Session.SessionKey, _element));
var workflowElement = (XmlElement) xmlDoc.SelectSingleNode("//WORKFLOW[@guid!='']");
return workflowElement != null
? new PreassignedWorkflow(_element, new Workflow(project, workflowElement))
: null;
}