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Maintain selection of the datagrdview

Posted on 2016-11-01
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Last Modified: 2016-11-01
Hello,
Is there anyway i can retain the selection of the datagrdview after refreshing it(rebinding) .
I have a column of selection but after rebinding it clears it off.

Cheers
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Question by:RIAS
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LVL 14

Expert Comment

by:Dustin Saunders
ID: 41868423
Can you just store the index in a variable on selection, then after the refresh re-select the index?
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Author Comment

by:RIAS
ID: 41868427
Can you just store the index in a variable on selection You mean array? But as I am rebinding more rows might get added so indexes change. I have a selection boolean column though.
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LVL 14

Expert Comment

by:Dustin Saunders
ID: 41868444
Maybe I misread, are you adding more columns each time or just rows?  Even if you added more rows, the column index would be the same unless you were changing that for some reason; but then you can just find the index that matches the column header to solve that.

Are you wanting to retain a column selection, or a row selection?
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Author Comment

by:RIAS
ID: 41868445
I am adding rows.Columns are not touched. Need to retain rows selection
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LVL 14

Expert Comment

by:Dustin Saunders
ID: 41868448
Does your data selection contain a identity key?  On refresh, you can get the primary identity key of the row and then store that, then use this to re-select after the refresh.
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Author Comment

by:RIAS
ID: 41868451
Store in array ?
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LVL 14

Accepted Solution

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Dustin Saunders earned 2000 total points
ID: 41868461
I'd probably use a list<int>.

For each row in your selection, store the primary key in the integer list and then after the refresh, call another function that selects (if exists in the new data) the primary key records you had originally selected.
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Author Closing Comment

by:RIAS
ID: 41868466
Cheers will try that
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