Regarding querystring

[User 13216084]

how to use querry string with various methods

[Lost User]

Depends on the methods. Perhaps you could edit your question and explain exactly what you are trying to do.

[ZurdoDev]

HttpRequest.QueryString Property (System.Web)[^]

There are two kinds of people in the world: those who can extrapolate from incomplete data. There are only 10 types of people in the world, those who understand binary and those who don't.

[John C Rayan]

If you look at the Request object in your method (Of course it is a web application) , you will be able to see the QueryString property there and you can retrieve the values from it.