request.querystring

问题 I have a code example like this : location.href = location.href + "/Edit?pID=" + hTable.getObj().ID; ; //aspx parID = Request.QueryString["pID"]; //c# it works, my question is - how ? what is the logic ? thanks :) 回答1: The HttpRequest class represents the request made to the server and has various properties associated with it, such as QueryString . The ASP.NET run-time parses a request to the server and populates this information for you. Read HttpRequest Properties for a list of all the

问题 Request["key"] vs Request.Params["key"] vs Request.QueryString["key"] Which method do you seasoned programmers use? and why? 回答1: I recommend Request.QueryString["key"] . There isn't a lot of difference to Request["Key"] for a query string but there is a big(er) difference if you are trying to get the value from ServerVariables . Request["Key"] looks for a value in QueryString if null, it looks at Form , then Cookie and finally ServerVariables . Using Params is the most costly. The first

问题 I frequently make use of Request.QueryString[] variables. In my Page_load I often do things like: int id = -1; if (Request.QueryString[\"id\"] != null) { try { id = int.Parse(Request.QueryString[\"id\"]); } catch { // deal with it } } DoSomethingSpectacularNow(id); It all seems a bit clunky and rubbish. How do you deal with your Request.QueryString[] s? 回答1: Below is an extension method that will allow you to write code like this: int id = request.QueryString.GetValue<int>("id"); DateTime