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pass expanded/collapse state of treeview between pages

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Jean-Marc Windholz
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Jean-Marc Windholz asked on 01 Apr 2010, 02:04 PM
I have a treeview.
Can I pass his state (expanded or collapse of his nodes) from one page to another?
To be more precise:
page 1 with contain 1 + TreeView1
page 2 with contain 2 + TreeView1

if I open in the page 1 some nodes in TreeView1, when I load the page 2 I want that the same nodes are expanded in my TreeView1.

Thanks!

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Veselin Vasilev
Telerik team
answered on 02 Apr 2010, 10:02 AM
Hi Jean-Marc Windholz,

You can store the state of the treeview in XML format by using its GetXml() server method. Then on page_load of the second page you can restore the state by using the LoadXml() method.

You can store the xml either in the file system or in the database.

Hope that this will get you started.

All the best,
Veskoni
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Jean-Marc Windholz
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Veselin Vasilev
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