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 public static class MvcHtmlHelper
    {
         public static MvcHtmlString MemcacheHtmlPartial(this HtmlHelper htmlHelper,int duration, string partialViewName, object model, ViewDataDictionary viewData)
        {
            object obaear = htmlHelper.ViewContext.RouteData.DataTokens["area"];
              string area=string.Empty;
              if (obaear != null) area = obaear.ToString();
            string key = string.Format("MemcacheHtmlPartial_{0}{1}", area, partialViewName);
            object ob = DistCache.Get(key);
            if (ob == null)
            {
                MvcHtmlString mstr = htmlHelper.Partial(partialViewName, model, viewData);
                DistCache.Add(key, mstr.ToString(), TimeSpan.fromSeconds(duration));
   


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