小弟菜鸟,跪求关于Session的问题!%@ Page LanguageC# AutoEventWireuptrue CodeFileS2.aspx.cs
小弟菜鸟,跪求关于Session的问题!
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="S2.aspx.cs" Inherits="S2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" action="S4.ashx" runat="server">
<div>
<input type="text" name="LoginId" /><br />
<input type=text name="LoginPwd" /><br />
<input type="submit" value="login" />
</div>
</form>
</body>
</html>
//↑↑↑上边是第一个web窗体
//第一个窗体的form把值传给下面的ashx ↓↓↓
<%@ WebHandler Language="C#" Class="S4" %>
using System;
using System.Web;
using System.Web.SessionState;
public class S4 : IHttpHandler,IReadOnlySessionState {
public void ProcessRequest (HttpContext context) {
context.Response.ContentType = "text/html";
string a=context.Request.Form["LoginId"].Trim();
if (a != null)
{
context.Session["aaa"] = a;
context.Response.Redirect("S3.ashx");
}
else
{
context.Response.Write("出错了");
}
}
public bool IsReusable {
get {
return false;
}
}
}
//如果检测到有用户名输入的话 则写入一个Session 然后页面跳转到下一个窗体 ↓↓↓
<%@ WebHandler Language="C#" Class="S3" %>
using System;
using System.Web;
using System.Web.SessionState;
public class S3 : IHttpHandler,IReadOnlySessionState {
public void ProcessRequest (HttpContext context) {
context.Response.ContentType = "text/html";
string a =Convert.ToString( context.Session["aaa"]);
context.Response.Write(a);
}
public bool IsReusable {
get {
return false;
}
}
}
//↑↑↑此窗体只是想显示一下刚才存的session 但是值一直是null!!!小弟跪求原因!望大神解答!谢谢!!! Session?传值?null
[解决办法]
实现该接口：IRequiresSessionState
[解决办法]
if (a != null)
{
context.Session["aaa"] = a;
context.Response.Redirect("S3.ashx");
}
a为null不？给Session赋值的语句有没有执行？还有，你继承的是IReadOnlySessionState，这个从名字上看就是只读的吧。。，
