Explain Query String of Client Side Strategies.

 Query String

  • It is generally used for holding values
  • It works temporarily
  • It increases the performance of the app.

Example

We can pass a limited amount of data from one request to another by adding it to the query string of the new request. This is useful for capturing the state in a persistent manner and allows the sharing of links with the embedded state.

public IActionResult GetQueryString(string name, int age) {

User newUser = new User()

{

Name = name,

Age = age

};

return View(newUser);

}

Now let’s invoke this method by passing query string parameters:

 /welcome/getquerystring?name=John&age=31


  • We can retrieve both the name and age values from the query string and display it on the page.
  •  As URL query strings are public, we should never use query strings for sensitive data.
  • In addition to unintended sharing, including data in query strings will make our application vulnerable to Cross-Site Request Forgery (CSRF) attacks, which can trick users into visiting malicious sites while authenticated. Attackers can then steal user data or take malicious actions on behalf of the user.

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