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Normal Topic Client-Server objects sending (Read 2723 times)
alternative84
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Client-Server objects sending
Jun 14th, 2010 at 11:01am
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Hi,

I've created a function in Javascript (function onNodeClicked(sender, args)) that executes when I click a node on the diagram. Next, I access the ShapeNode object through args.getNode(). I want to be able to get that object in the Page_Load section, but I don't know how to communicate between the javascript section and the Page_Load section.

Best regards,
Juan J. Gómez
  
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Stoyo
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Re: Client-Server objects sending
Reply #1 - Jun 14th, 2010 at 11:52am
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Hi,

Try calling form.submit() and accessing the node through diagram.ActiveItem inside the Load handler. You could also set some <hidden> element value to the node's id, in case the form can be also submitted by other means.

I hope that helps,
Stoyan
  
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alternative84
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Re: Client-Server objects sending
Reply #2 - Jun 14th, 2010 at 12:13pm
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Thanks for the fast response Smiley

The property is in the DiagramView control? How do I access that property?

Another question: the only "ID" I've seen in the ShapeNode class is the ZIndex, but I need another type of "ID". Is there another one available?

Thanks again,
Juan J. Gómez
  
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Stoyo
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Re: Client-Server objects sending
Reply #3 - Jun 14th, 2010 at 12:32pm
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Hi,

It's DiagramView.Diagram.ActiveItem.

You could identify items by ZIndex in this case, e.g. on the client save args.getNode().getZIndex() in the hidden field, and on the server side access the item by calling diagram.Items[Integer.Parse(hidden.Value)]. Otherwise you could assign some IDs to the Tag property of nodes and use the FindNode method to find a node by its tag.

I hope that helps,
Stoyan
  
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