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how to force refresh of child rows in tree grid [message #1064157]

Mon, 17 June 2013 21:00

Testr t

Messages: 93
Registered: April 2013

Member

Hi,

I am using tree grid with the glazed lists and it works perfectly. I have requirement where I have to force the refresh on the child rows while the parent row is being edited. Note that the column values are not directly obtained from the property and I am using the IColumnPropertyAccessor implementation to provide data. Also the child row data is based on the parent row, so there is no explicit property on the child row objects that hold the value and hence the need for refresh.

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Re: how to force refresh of child rows in tree grid [message #1064344 is a reply to message #1064157]

Tue, 18 June 2013 19:55

Dirk Fauth

Messages: 2814
Registered: July 2012

Senior Member

Well you need to determine the row position range for the child rows you want to refresh and then fire a RowVisualChangeEvent. That should do the trick.

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Re: how to force refresh of child rows in tree grid [message #1064353 is a reply to message #1064344]

Tue, 18 June 2013 20:33

Testr t

Messages: 93
Registered: April 2013

Member

Okay. How do I always get the correct row position range for the child rows? Since some of the rows can be expanded /collapsed I do not know the correct position. Is there option in the Nattable to get the correct row position for the row objects? (i.e for ex say DataRow is the class which is tied to the glazed list and I know which one i am modifying, but i do not know the row position for that in the grid)

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Re: how to force refresh of child rows in tree grid [message #1064355 is a reply to message #1064353]

Tue, 18 June 2013 20:41

Dirk Fauth

Messages: 2814
Registered: July 2012

Senior Member

Puh, that depends on which ITreeRowModel you are using. If you are using the GlazedListTreeRowModel, you will have the correct row positions, as in GlazedLists, the tree transformation removes the rows on collapse from the TreeList. So it should work as usual.

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