无法检索querystring参数. [英] Cannot retrieve a querystring parameter.

问题描述

请求URL的示例: http:\\ localhost \ ChatWindow.aspx?username = sly_chandan

我的网络方法如下:

[WebMethod(EnableSession = true)]
public static List<PrivateMessage> GetMessages()
{
    List<PrivateMessage> getMsgsList = (List<PrivateMessage>)HttpContext.Current.Application["PrivateMessages"];
    var msgs = getMsgsList.Where(x => x.fromUsername == HttpContext.Current.Session["Username"].ToString() && x.toUsername == HttpContext.Current.Request.QueryString["username"]);
    return msgs.ToList();
}

我似乎无法检索querystring参数.

I cannot seem to retrieve the querystring parameter.

推荐答案

要获取查询字符串，您应该只需将您的方法更改为如下所示即可:

To get the querystring, you should simply be able to change your method to look like this:

[WebMethod(EnableSession = true)]
public static List<PrivateMessage> GetMessages(string username)
{
    List<PrivateMessage> getMsgsList = (List<PrivateMessage>)HttpContext.Current.Application["PrivateMessages"];
    var msgs = getMsgsList.Where(x => x.fromUsername == HttpContext.Current.Session["Username"].ToString() && x.toUsername == username;
    return msgs.ToList();
}

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