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AJAX Auto-suggest Fields In this example, the city field again uses Ajax to help the user select a city. In this case, however, instead of a drop-down, the user simply starts typing in the name of the city. Here the letters that were entered were 'LOS,' and immediately cities like Los Angeles started appearing as choices.
Ajax was used to select approrpiate cities from a list of over 30,000 cities.
You can also use one control to filter the contents of another control. For example, if you choose the country in which a city is located, Ajax can be used to auto suggest only cities in that country. This is shown in the following videos.
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