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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