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help a newbie, dynamic dropdown box with mysql


igbert

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Hi there, i'm trying to create a simple form with two dropdown boxes, one of them will hold a name (for a cinema), then the next will hold the screen number, each cinema will have a differen amount of screens.

The informatio is held in sql and each entry has a name and and then the amount of screens, now how do i fill up the dropdown boxes so everytime you select a different cinema the amount of screens in the dropdown box will change..

Thankyou and happy new year

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