cascading dropdownlist without refreshing the page.

[srinivaspnv21]

hi,
plz help me, i hav a problem in cascading two or more dropdownlists(like after selecting country in one dropdownlist, its corresponding states should display) without refreshing the whole page.

i have done it by keeping autopostback=true for dropdownlist control and getting respective fields in other dropdownlist by arraylist class, but the page is getting refreshed.

thanking you,

[r035198x]

hi,
plz help me, i hav a problem in cascading two or more dropdownlists(like after selecting country in one dropdownlist, its corresponding states should display) without refreshing the whole page.

i have done it by keeping autopostback=true for dropdownlist control and getting respective fields in other dropdownlist by arraylist class, but the page is getting refreshed.

thanking you,

Moved from articles to forum section

[kenobewan]

If you want only part of the page to refresh you could do this using a panel, or try using not ispostback. HTH.

[dip_developer]

If you want only part of the page to refresh you could do this using a panel, or try using not ispostback. HTH.

without refreshing you cannot have the required information on the other dropdownlist...........
How can you expect that you want some records from server to populate your dropdown and there will be no postback.....
is it logically possible????

what is important for your work is ................
It is not necessary to make a roundtrip of the full page........a portion of the page can make a roundtrip to post the data.........

in my opinion you can opt for AJAX

[kenobewan]

My bad - should have just said the first bit.

I was in a speed reading accident. I hit a book mark and flew across the room ;).

[r035198x]

without refreshing you cannot have the required information on the other dropdownlist...........
How can you expect that you want some records from server to populate your dropdown and there will be no postback.....
is it logically possible????

what is important for your work is ................
It is not necessary to make a roundtrip of the full page........a portion of the page can make a roundtrip to post the data.........

in my opinion you can opt for AJAX

A dirtier method is to load all the data into a hidden array/select and then reference that using javascript but Ajax is the normal way of dealing with this problem

[srinivaspnv21]

Hi fids and thanks for helping out me.