Handling arrays

Originally posted by : RajuSam (rajusamb@yahoo.com)Hai Friends,I have a table having 4(DropDownBoxes)columns that grows dynamically.In the first column I want a Combo Box to populate all National Regions fromthe database.Upon changing a National Region, I want to populate all States pertaining tothe selected National Region in another Combo Box beside the first one fromthe database.Like wise, Upon changing a State, I want to populate all Counties pertainingto the selected State in another Combo Box beside the Second one from thedatabase. The Last column will have a hyperlink to the same page with "Delete" astext display.I have a Command button (Add New Location) upon clicking should grow thetable by adding a new row with another set of the elements (one combo boxeach for National Regions, States, Counties) and a Delete hyperlink.I want to delete a particular set (row) of elements by clicking the Deletehyperlink.The functionality should be such that only that particular set of elements(their values) should disappear and the total number of rows should getreduced by one and all the other elements should have their values intact.How can I achieve this functionality?Using Arrays and withJavaScript orASP vodingAnybody Pl. help me comeout of this problem.