What are QueryStrings? List some of the Advantages and Disadvantages ?

 Posted by Ddd on 2/10/2011 | Category: ASP.NET Interview questions | Views: 6119 | Points: 40

QueryString is additional information appended at the end of the URL


Querystring starts with ? sign

In this example: CSGAgreed: is the key of querystring
true: value of querystring
Querystring is used to transfer information from one page to another through the URL or it can be even on the same page

How we create


a. Supported by all the browsers
b. can be useful for executing database queries without needing textboxes
and button for entring the input and submitting
c. Easy to use.

a. All the information in querystring is visible to user not secure.
b. limited to URL length of 255 characters.

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