How to fill selection box with clientside data?

i want to make a html form that reads option values from the client.
Because there are too many data, it's not reasonable for me to design a page which connects to server each time to fill the selection boxes.Instead i want to check if data resides at the clientside, if so fill selection boxes with that data, if not download it for the first time and store it on the client for later local retrieval.In addition i must be able to update that data residing on the client when i want.

Hi,
I can tell you some hints. Use cookies to store the information on to the client-side. You can read data from cookies using JavaScript. If you want to store huge amount of data on to the client-side, perhaps this would not be a better idea. In J2EE architecture we often use sessions to store values. You need to design your implementation in such a way that for the first time you fetch all the values from the database and put it in a session, and the next time onwards you can get the values from the session itself and thereby you can avoid going to database each and everytime. Write a Java class which has all the necessary get and set methods and store the object in the session. Using that object reference you can set and get the values from it. I hope this will help you.
Thanks

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i want to make a html form that reads option values from the client.
Because there are too many data, it's not reasonable for me to design a page which connects to server each time to fill the selection boxes.Instead i want to check if data resides at the clientside, if so fill selection boxes with that data, if not download it for the first time and store it on the client for later local retrieval.In addition i must be able to update that data residing on the client when i want.

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Hi,
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Understand the same.
* type declaration
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How to fill selection box with clientside data?

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