url重寫以後postback重寫失效解決方案2 PageBase

讓所有頁面整合一下類即可實現url重寫以後保持postback地址</p><p>用.browser檔案也可以處理</p><p>using System;<br />using System.Web;<br />using System.Web.UI;<br />using System.IO;<br />using System.Text;<br />using System.Text.RegularExpressions;<br />using System.Configuration;</p><p>namespace BLL<br />{<br /> /// <summary><br /> /// PageBase 的摘要說明。<br /> /// </summary><br /> public class PageBase : Page<br /> {<br /> private static object obj = new object();<br /> //// <summary><br /> /// 重寫預設的HtmlTextWriter方法，修改form標記中的value屬性，使其值為重寫的URL而不是真實URL。<br /> /// </summary><br /> /// <param name="writer"></param><br /> protected override void Render(HtmlTextWriter writer)<br /> {<br /> if (writer is System.Web.UI.Html32TextWriter)<br /> {<br /> writer = new FormFixerHtml32TextWriter(writer.InnerWriter);<br /> }<br /> else<br /> {<br /> writer = new FormFixerHtmlTextWriter(writer.InnerWriter);<br /> }</p><p> base.Render(writer);<br /> }<br /> }</p><p> public class FormFixerHtml32TextWriter : System.Web.UI.Html32TextWriter<br /> {<br /> public FormFixerHtml32TextWriter(TextWriter writer)<br /> : base(writer)<br /> {<br /> }</p><p> public override void WriteAttribute(string name, string value, bool encode)<br /> {<br /> // 如果當前輸出的屬性為form標記的action屬性，則將其值替換為重寫後的虛假URL<br /> if (string.Compare(name, "action", true) == 0)<br /> {<br /> value = HttpContext.Current.Request.RawUrl;<br /> }<br /> base.WriteAttribute(name, value, encode);<br /> }<br /> }</p><p> public class FormFixerHtmlTextWriter : System.Web.UI.HtmlTextWriter<br /> {<br /> public FormFixerHtmlTextWriter(TextWriter writer)<br /> : base(writer)<br /> {<br /> }</p><p> public override void WriteAttribute(string name, string value, bool encode)<br /> {<br /> if (string.Compare(name, "action", true) == 0)<br /> {<br /> value = HttpContext.Current.Request.RawUrl;<br /> }</p><p> base.WriteAttribute(name, value, encode);<br /> }<br /> }<br />}</p><p>