Saturday, April 14, 2012

ASP.NET interview questions: - Mention benefits and limitations of using Query Strings?

A simple but most frequently asked ASP.NET interview question.

A query string is information sent to the server appended to the end of a page URL.

Following are the benefits of using query string for state management:-
  • No server resources are required. The query string containing in the HTTP requests for a specific URL.
  • All browsers support query strings.
Following are limitations of query string:-
  • Query string data is directly visible to user thus leading to security problems.
  • Most browsers and client devices impose a 255-character limit on URL length.
See the following video on ASP.NET for importance of session and viewstate: -

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