This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
I have one combo box , and two list box and a button. select name="mgroup" size="1" option AAA option option BBB option option CCC option select select name="sgroup" size= 5 option value= 1 1 option option value= 2 2 option option value= 3 3 option select select name = finalsk select I have a ADd button and when I press I have to display the value I selected in the combo and in the list (first) in the second list box.. "finalsk". I am able to fill the "finalsk" list box with values but when I try to see the source of the HTMl file it still shows select name = finalsk select.. It has to show,.. say suppose I chose AAA and 1 select name = finalsk option value= AAA1 AAA1 option select I want to update my form element "finalsk" with the values the user has selected. how to Do???
Assuming you want a servlet to calculate what the values in the third list box are, the only way I can think to do it without just regenerating the whole page is to put the third list box in a separate Frame and have your servlet regenerate the contents of that Frame. An applet would also work of course. Bill