If i make my selection in State Dropdown list, i would the
City and ZipCode dropdown list to be automatically reupdated
based on the State i select.(This to avoid the user select a
City or Zipcode that does not correspond to the State
previously selected.)
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Answer / anjani kumar
Return a combined list of City and its Zipcode as showable
text on the list box. Place the list on the UpdatePanel
with a trigger on change event of the State list box.
In the background... ( change event of the state box) do
the data access, clear the city box and re-fill the box
with selected State which is obtained from the EventArgs of
the event handler.
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