合并model并且呈现（asp.net MVC）

public ActionResult LoadRegionPerformance(TGProject.Models.WModels.TgsOutachiveCondition condition)
{
Account account = (Account)Session["Account"];
var questions = SP.TgsAreaShow(int.Parse(account.AREAID.ToString()));

List<TGProject.Models.WModels.TGSOUTACHIVEAREA> models=new List<TGProject.Models.WModels.TGSOUTACHIVEAREA>();
TGSAREASHOW a;
IEnumerator ie = (System.Collections.IEnumerator)questions.GetEnumerator();
while (ie.MoveNext()) {
a = (TGSAREASHOW)ie.Current;
condition.AREAID = a.AREAID;
List<TGProject.Models.WModels.TGSOUTACHIVEAREA> middlemodels = TGProject.Helpers.SP.TGSOutAchiveArea(condition);
foreach (TGProject.Models.WModels.TGSOUTACHIVEAREA middlemodel in middlemodels)
models.Add(middlemodel);
}
return GetRegionPerformanceModelData(condition, models);
}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult GetRegionPerformanceModelData(TGProject.Models.WModels.TgsOutachiveCondition condition, List<TGProject.Models.WModels.TGSOUTACHIVEAREA> models)
{
int pageIndex = Convert.ToInt32(condition.Page) - 1;
int pageSize = condition.Rows;
int totalRecords = models.Count;
int totalPages = (int)Math.Ceiling((float)totalRecords / (float)pageSize);
AddField(models, totalPages, condition.Page, totalRecords);
ViewData["RegionPerformance"] = models.Skip(pageIndex * pageSize).Take(pageSize).ToList();
return View();
}
public static void AddField(List<TGProject.Models.WModels.TGSOUTACHIVEAREA> models, int totalPages, int page, int records)
{
foreach (TGProject.Models.WModels.TGSOUTACHIVEAREA model in models)
{
PropertyI