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GridDataControl freeze

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98598 Mar 10,2011 01:02 PM UTC Apr 13,2011 01:31 PM UTC WPF 5
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Tags: GridControl
Itay Sofer
Asked On March 10, 2011 01:02 PM UTC

I'm using a GridDataControl bounded to a datatable with nested children.
If a new row is added to grid while one of the parent rows is expanded, the whole grid is collapsed.
Can I keep expanded datarow when grid has to be invalidated?


Manikandan [Syncfusion]
Replied On March 18, 2011 02:26 PM UTC

Hi Itay,

Thanks for using Syncfusion Products.

We have analyzed the reported issue with our sample. We didn't find stated issue while adding a new row to grid. Can you please check with the sample in the following location. If still you face the problem, please revert us by modifying the sample based on your application along with replication procedure. This would be helpful for us to serve you.

Sample:
http://www.syncfusion.com/uploads/redirect.aspx?&team=support&file=CS2126329214.zip

Please let us know if you have any queries.

Regards,
Manikandan J R.



Itay Sofer
Replied On March 28, 2011 06:45 AM UTC

Thanks for supporting me.

When I call DataTable.AcceptChanges() after inserting a new datarow the grid is collapsed.
An additional minor problem I noticed: if a child row is selected when a new row is added, this selection is cleared, whether accepting changes or not.



CS2126329214 modified_5c3c1017.zip

Karthick Ravichandran [Syncfusion]
Replied On April 1, 2011 01:48 PM UTC


Hi Sofer,

Thanks for the update.

We have analyzed the stated issue with your sample and we could found that you are using AcceptChanges method to refresh the table, by removing this, the grid parent row has expanded even we invalidate the GridDataControl.

Please let us know if you need more information.

Thanks,
Karthick


Itay Sofer
Replied On April 6, 2011 03:10 PM UTC

I bypassed the use of AcceptChanges(), but I encoutered another problem. When a child row is modified when its table is expanded (or has been expanded), the change is not reflected on grid.
InvalidateCells() doesn't help, and accessing the child table model or the corresponding record entry is cumbersome.
Calling AcceptChanges() helps in this case, but again it collapses all rows.



CS2126329214 with child modified_6260fa1a.zip

Karthick Ravichandran [Syncfusion]
Replied On April 13, 2011 01:31 PM UTC

Hi Sofer,

Thanks for the patience.

We have analyzed the stated issue with your sample and we have modified the sample in which the cell value of the child row has updated even when the table has expanded . Please find the modified sample under the following location.

Sample : http://www.syncfusion.com/uploads/redirect.aspx?&team=support&file=CS78498182.zip

Note : Modification was done in the Window1.xaml.cs file in the Button1_Click event handler

Please let us know if you need more information.

Thanks,
Karthick


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