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Reconstruct FilterExpression from existing FilterColumns

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This is a migrated thread and some comments may be shown as answers.
Lenny_shp
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Lenny_shp asked on 05 Dec 2008, 02:38 PM
My scenerio:
User has entered some filter in columns 1 and 2.
The app has an ItemCommand that is intended to add additional filters.

Is there a way to get the constructed FilterExpression for specified columns so I append my own filterexpression?
If I simply append with existing item, the next time the button is clicked it retains the original filter value.
I only need to append the filter to the filterexpression that is on the columns user has entered.

RadGrid1.MasterTableView.FilterExpression = "((" + RadGrid1.MasterTableView.FilterExpression + ") AND ([myfilterfield] = 'xyz')) "

I've reviewed this, is the filterpair accessible for each filtercolumn?    Any better approach than manually reconstruct each filterpair for FilterExpression?



http://www.telerik.com/help/aspnet-ajax/grdoperatewithfilterexpression.html

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Yavor
Telerik team
answered on 08 Dec 2008, 02:25 PM
Hi Lenny,

You can basically manually construct and alter the filter expression. The following example shows one similar implementation.
I hope this gets you started properly.

All the best,
Yavor
the Telerik team

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