Query String in ASP.Net Part-1
ASP.NET Query String
A query string 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.Query String. 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 collection. It enable us to retrieve the QUERY_STRING variable by name. When we use parameters with Request. Query String, the server parses the parameters sent to the request and returns the effective or specified data.
We will see theoretical concept of Query String in detail in this video tutorial.
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