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ArgumentOutOfRangeException when working with DisplayIndex

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This is a migrated thread and some comments may be shown as answers.
Vic
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Vic asked on 28 May 2012, 04:03 PM
Hello,
I'm currently evaluating the RadGridView (2012_1_326) and am encountering a problem setting the DisplayIndex.  The documentation (http://www.telerik.com/help/wpf/gridview-columns-reordering-columns.html) illustrates a simple scenario setting the DisplayIndex property in xaml.  When I implement this same example, i get a runtime ArgumentOutOfRangeException {"DisplayIndex out of range! Column2\r\nParameter name: displayIndex"}. 

My intent is to eventually bind this property to a custom object containing display settings which will be used to persist the user's preferences.

Your help is appreciated

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Vera
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answered on 31 May 2012, 10:02 AM
Hello,

We were able to reproduce the issue on our side and a fix for it will be included in Q2 2012 expected next week. Unfortunately, you cannot bind the property to a custom object. A possible approach is to set its value by using an event.

Excuse us for the inconvenience. Your Telerik points have been updated accordingly.

All the best,
Vera
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Vic
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answered on 19 Jun 2012, 11:47 PM
It's working in the new release.
Thanks for the fix!
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Erik
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answered on 21 Aug 2012, 09:28 PM
DataBinding the DisplayIndex seems to work in the latest version, as long as:
1. a FallbackValue is provided (I get an ArgumentOutOfRangeException otherwise). This FallbackValue has to be unique
2. Binding mode is set to TwoWay, otherwise the source is not updated
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Vic
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