C# Request.QueryString/ Get Parameter Value From URL

This request query string act as action to get url parameter.

eg. 

Request.QueryString["id"]
url: http://Sample.com&id=12345
Request.QueryString will get the value of 12345

How do we get array parameter from URL using Request.QueryString.

eg.

string[] names = Request.QueryString.GetValues("id");
names will hold the value of the parameter pass through URL.

This is the way to retrieve or get value from parameter.