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how good it is to use html:hidden

 
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May I know how good it is to use html:hidden to use very often in order to show the entered data in the privious pages as after clicking the my own back button implemented using struts.
 
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There's nothing wrong with using this technique to transfer information from one page to the next as long as you remember the following:
  • Never use it for sensitive information such as a credit card number or a price. It can be read by anyone who knows how to use the "view source" function and it can also be "spoofed", meaning someone could create a copy-cat HTML page and substitue the correct data with incorrect data.
  • Putting a huge amount of data in hidden fields is going to slow down the response time as all that data has to go back and forth over the network.
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