用户记住地址 直接输入地址访问越级访问。

随心录123 2011-05-13 10:32:20
就是说 用户 记住了地址 直接在浏览器输入地址访问 这个页面。这个页面不用作用户登录判断。就是普通页面。但是这样会导致 里面传值为空id
if (Request.QueryString["id"].ToString() != "" && Request.QueryString["id"] != null)
{
this.Articleid = int.Parse(Request.QueryString["id"].ToString());


GetLinetest(Articleid);
}

空指针异常!
用什么处理方式比较好!
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随心录123 2011-05-13
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被用户删除了 一半地址 跳转到 404页面 这个 又怎么设置呢
SeanDing1989 2011-05-13
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用session
登录的时候直接记录。
然后if (session["id]!= "" && session["id"] != null)
{
this.Articleid = int.Parse(session["id"]);


GetLinetest(Articleid);
}
这样页面上就不会出现链接传递参数问题了。。。
如 页面就是Default.aspx
在page_load里加载登录的ID 别用参数方式!
ltcszk 2011-05-13
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应该先判断空再判断“”,null时用tosting就会报错了,或者直接用sting.IsNullOrEmpty
随心录123 2011-05-13
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[Quote=引用 3 楼 kk297173176 的回复:]
""和null。。。。。先了解一下
还有就是如果你的id真为null那你的肯定要报错的。因为你.tostring()就会报错
[/Quote]

正解!谢谢您!
eqfrweg 2011-05-13
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过滤器
随心录123 2011-05-13
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我觉得 是我的代码结构有问题 。因为 当我先判断了
if (Session["userid"] == null || Session["userid"] == "")
{ Response.Redirect("Login.aspx?giftID=" + Articleid + "&id=0");
}
else
{
Label1.Text = Session["userid"].ToString();
Label2.Text = Session["username"].ToString();

}

下面 再放这个 代码 if (Request.QueryString["id"].ToString() != "" && Request.QueryString["id"] != null)
{
this.Articleid = int.Parse(Request.QueryString["id"].ToString());
}
他就不执行!
快乐的小二兔 2011-05-13
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其实我觉得像ID这样东西放session里面 判断是不是空的 然后做处理
随心录123 2011-05-13
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[Quote=引用 2 楼 lisliefor 的回复:]
防止记住地址,访问的最终解决办法,就是在页面继承的basepage页面的pageload方法,通过当前用户的ID,校验访问权限。
[/Quote]

有列子 说明下吗?
kk297173176 2011-05-13
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""和null。。。。。先了解一下
还有就是如果你的id真为null那你的肯定要报错的。因为你.tostring()就会报错
Lisliefor 2011-05-13
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防止记住地址,访问的最终解决办法,就是在页面继承的basepage页面的pageload方法,通过当前用户的ID,校验访问权限。
不懂 2011-05-13
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if(Request.QueryString["id"]==null)
{
//处理
}
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