AJAX :: Folder Browser App Using TreeView On A ModalPopup?
Sep 24, 2010
I'm working on an ASP.NET (.NET 4, VS2010) app that needs folder browsing/picking capabilities. I've got it mostly working, but I'm stuck on one last thing. (see below) Also, I'm using AJAX UpdatePanel, TreeView control, and AJAX Control Toolkit ModalPopupExtender.
When I go to the page, I load the TreeView with a top node and a first set of child nodes, which are the found drives of the server. Then I click a LinkButton to open the ModalPopupExtender, which contains the TreeView. When I click the nodes of the TreeView, the node expands and builds a set of child nodes which are the folders found.
What I want to happen is to allow the user to navigate through the TreeView, selecting drives and folders until they find the one they're looking for. Then they click OK to return the path selected back to the main form.
The problem is that any click of any node in the TreeView causes a postback and my ModalPopup closes. how to accomplish this task? That is, how can I keep the ModalPopup open while the user clicks through nodes of a TreeView in which the child nodes are populated dynamically?
[code]...
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