Dynamic adding of Nodes in Tree View does not work properly on IE8

10 replies. Last post: April 9, 2014 11:36 PM by Bernard Xiang
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Hi there,

We are using Tree View control in our asp.net project. And we are creating the tree view nodes under a single parent node dynamically. Adding the nodes dynamically depening upon the item selected by the user from a drop down box. It works fine on IE 9,10 and11.

However, on the IE 8, only the first node is being added and when we try to add another node, it replaces the exising first node with the new one and does not add the second node as a new node.

I tried to debug this through our .Net code using the IE 11 and set the Browser mode to IE 8 using F12 on IE(Developer tools options), I found that the java script expcetion as below-

/ISRes.axd?T/WebTreeView.js/101500400 - 0x80004001 - JavaScript runtime error: Not implemented

on the line  - v15561.FrameObj.children[0].style.setExpression("height","ISPosLib.getHeight(this.parentNode)"); 

The same error also occured at removeExpression. (Microsoft has already depricated these dynamic properties from starding from IE 8 version.)

Then, I though it might be good to see for any help from the Intersoft Tree View samples, I observed that the samples provided by Intersoft are also not working on IE 8.

Further, I checked the Forum for setExpression, and found that in the year 2009 a reply by Yudi "You need to install Intersoft WebUI Studio 2009 R1 Service Pack 1."

However, for our case , since we are using

ISNet, Version=3.0.5000.1 and the the assemly version for ISNet.WebUI.WebTreeView and ISNet.WebUI.WebTreeView.Resources is : 1.0.1500.400

so we understand that we should not require to install this update.

Please suggest asap. We are in middle of our UAT.

Any quick help would be really appreciated.

Thanks,
Ravinder

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