How to use Query string in asp.net Using C# in Visual studio Hello Friends in This post we will learn about How to use Query string in asp.net Using C# in Visual studio, do you want to use query string in your web application of asp.net using C# with help of Visual Studio any version 2008, 2010 or later version. How to use Query string in asp.net Using C# in Visual studio First of all we need to understand what is Query String and why need to use it and how to use in asp.net using c# application so let's start do it. What is query string in asp.net ? Basicaly Query string help us to send data one page to another page. it contains two first put and second retrive data. why need to use it ? Becouse it's very easy and best method to put and retrive data from one page to another page. how to use Query string in asp.net using c# Friends we will create first web application in visual studio and follow some step to use query string in asp.net web application. First