While executing inspectSelection in dmxGrid.htm, a JavaScript error occured

Question:

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When using the Ajax Datagrid, after I apply it on a page, when I click on the Grid in Design View, I get this error 3 times.

While executing inspectSelection in dmxGrid.htm, a JavaScript error occured.

Then when I go to the properties box and click on Advanced, I get the error again, and the DMXzone AJAX Data Grid dialog box loading, and then I get the above error again twice and the Grid never loads. If I click cancel, I get the 3rd repitition of the above error.

If I select the Grid in the Design view, get through the three error, then go to the Insert Menu, DMXzone, AjaxDataGrid, I get this message twice.

While executing onLoad in dmxGrid.htm, the following JavaScript error(s) occurred:
uncaught exception: JSON Parse error:
TypeError: o[x].replace is not a function

Answer:

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You are probably using the extension - XML Flash Slideshow Creator version 3.0.3 by N G Rohler at DWUser.com - *** REMOVE IT IMMEDIATELY ***

WHY?: This slideshow extension from N G Rohler seriously distorts whole Dreamweaver making it very unstable and making it produce all kind of weird javascript errors - so it should be removed immediately

Technical Explanation: The extension from N G Rohler overwrites and extents the DW DOM model in a way that it should never be done as it breaks the whole Dreamweaver and its working! Read the discussion about this if you are interested.