Query Strings in ASP.Net A QueryString is a collection of characters input to a computer or web browser. A Query String is helpful when we want to transfer a value from one page to another. When we need to pass content between the HTML pages or aspx Web Forms in the context of ASP.NET, a Query String is very easy to use and the Query String follows a separating character, usually a Question Mark (?). It is basically used for identifying data appearing after this separating symbol. A Query String Collection is used to retrieve the variable values in the HTTP query string. If we want to transfer a large amount of data then we can't use the Request.QueryString . Query Strings are also generated by form submission or can be used by a user typing a query into the address bar of the browsers. Query Strings are contained in request headers. A Query String collection is a parsed version of the QUERY_STRING variable in the Server Variables collect...