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Drag&Drop issue

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GridView
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Raul
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Raul asked on 17 Sep 2016, 02:00 PM

Hello,

when in edit mode with a row validation error it is still possible to perform Drag&Drop operations. They are not visible while performing the Drop, but the rows will be sorted just after clearing the row validation error.

Greeting

Raul

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Yoan
Telerik team
answered on 21 Sep 2016, 08:52 AM
Hi Raul,

I suppose that you are using our RowReorderBehaviour for reordering the rows. If yes, you can stop the drag&drop operation when the grid is in edit mode. In order to achieve this, you can use a boolean flag in OnDragInitialize method of the behaviour like so:
private void OnDragInitialize(object sender, DragInitializeEventArgs e)
       {
           if (flag)
           {
               return;
           }
           var sourceRow = e.OriginalSource as GridViewRow ?? (e.OriginalSource as FrameworkElement).ParentOfType<GridViewRow>();
           if (sourceRow != null && sourceRow.Name != "PART_RowResizer")
           {
                           .
                           . 
                           .

You can set the flag in GridView's BeginningEdit and RowEditEnded events.

Let me know if you need further assistance on this.

Regards,
Yoan
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Raul
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answered on 21 Sep 2016, 01:29 PM
thanks, it helped me a lot :)
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Yoan
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Raul
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