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Reload graph on onchange dropdownlist

Posted on 2009-07-01
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Last Modified: 2013-12-17
I have a page with a graph who got its data from a xml data source. I also have a dropdownlist that filter out the xml result after a postback. I want this filtering being done without a postback (querystring)... as I understand I can perform this with ajax? Some help are welcome.. :-)
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Question by:dingir
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3 Comments
 
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Rahul Goel ITIL earned 1200 total points
ID: 24760192
You can use UpdatePanel and AsyncPostBack to the dropdownlist Item Changed.
and you can refresh the graph accordingly
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by:dingir
ID: 24766085
hmm ok.. u have some code or pseudocode of how to make the dropdown-postback update the updatepanels graph with the new values? the graph loads it's data through a xml data stream (webservicexml.aspx (yes a webform))

thank's in advanced,
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LVL 1

Author Comment

by:dingir
ID: 24766093
please also some idea describing the use of ajax() instead of updatepanel!
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