Action Javascript has a method (in Map Control Actions) to add multiple markers to a map. However, this action assumes that you will be making an Ajax callback to the server to do a query to get the list of latitude/longitude values for each marker you want to add to the map. But what if you already have a list of data on the client-side with latitude/longitude values? Making an Ajax callback to the server under these circumstances is unnecessary.
In this video we show how a List control, which has latitude/longitude values for each row, can be used as the data source for the markers and how a marker for each row in the List can be added to the map without having to make an Ajax callback.
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