Is it possible to update data on a page without reloading the page from the
server?
This would be good for a dynamically loading tree control. When the page
begins, the root of the tree is unexpanded, and no nodes are under the root.
When the user clicks to expand the root, the browser sends a request to the
server. The server sends back the data about all the children of the root.
The browser creates new nodes, adds them to the tree and expands the root
node.
If you have frames, this can be done by submitting a form in a hidden frame
and having the HTML page response of the server contain a javascript which
makes calls into the visible frame to create the new nodes.
I would like to do this without frames because I read that setting images
across frames doesn't always work in Netscape.
-joe
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