RUL重写后页面回传失效、

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.IO;

using System.Web.UI;



namespace YuanBoV4.Group

{

    /// <summary>

    /// 控制RUL重写后、回传失效

    /// </summary>

    public class PostbackUrlReg : System.Web.UI.Page

    {

        //// <summary>   

        ///  重写默认的HtmlTextWriter方法，修改form标记中的value属性，使其值为重写的URL而不是真实URL。   

        /// </summary>   

        /// <param name="writer"></param>   

        protected override void Render(HtmlTextWriter writer)

        {

            if (writer is System.Web.UI.Html32TextWriter)

            {

                writer = new FormFixerHtml32TextWriter(writer.InnerWriter);

            }

            else

            {

                writer = new FormFixerHtmlTextWriter(writer.InnerWriter);

            }



            base.Render(writer);

        }

    }





    public class FormFixerHtml32TextWriter : System.Web.UI.Html32TextWriter

    {

        public FormFixerHtml32TextWriter(TextWriter writer)

            : base(writer)

        {

        }



        public override void WriteAttribute(string name, string value, bool encode)

        {

            // 如果当前输出的属性为form标记的action属性，则将其值替换为重写后的虚假URL   

            if (string.Compare(name, "action", true) == 0)

            {

                value = HttpContext.Current.Request.RawUrl;

            }

            base.WriteAttribute(name, value, encode);

        }

    }





    public class FormFixerHtmlTextWriter : System.Web.UI.HtmlTextWriter

    {

        public FormFixerHtmlTextWriter(TextWriter writer)

            : base(writer)

        {

        }



        public override void WriteAttribute(string name, string value, bool encode)

        {

            if (string.Compare(name, "action", true) == 0)

            {

                value = HttpContext.Current.Request.RawUrl;

            }



            base.WriteAttribute(name, value, encode);

        }

    }

}