将ViewState放在Session里

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

 

namespace EntLibSample

{

    public class BasePage : System.Web.UI.Page

    {

        protected override void SavePageStateToPersistenceMedium(object viewState)

        {

            Session["viewState" + this.Context.Request.FilePath] = viewState;

        }

 

        protected override object LoadPageStateFromPersistenceMedium()

        {

            if (Session["viewState" + this.Context.Request.FilePath] != null)

            {

                return Session["viewState" + this.Context.Request.FilePath];

            }

            return string.Empty;

        }

    }

}