HOW to get 2nd dropdown box according to selected value of 1st dropdown box

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HOW to get 2nd dropdown box according to selected value of 1st dropdown box. Example: there are two dropdown box first contain countries(india, china) and 2nd drop down contain relatives states(delhi, up, mp). Now if i select india then only relatives states means delhi mp up will show.or if i select china then only relatives states will show only. please tell how can i do this. thanku

Posted 4-Aug-13 23:11pm

rupal from india

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TrushnaK 5-Aug-13 5:37am

You can achieve this by using javascript arrays. if it seems big in size but that is not from code behind. you can call this on onselectedIndex_changed() of first dropdown.

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ridoy · Answer 1 · 2013-08-04T23:53:00

You should follow these..
http://stackoverflow.com/questions/7787854/show-2nd-dropdown-based-on-first-drop-down-php-js[^]
http://stackoverflow.com/questions/9394992/how-to-populate-on-drop-down-based-on-the-value-from-other-drop-down-in-php-and[^]
http://stackoverflow.com/questions/6723599/populate-2nd-dropdown-based-on-results-of-1st[^]