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Custom RadFilter 'IN' filter

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Adam
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Adam asked on 20 Jan 2014, 08:59 AM
Hi,

I am trying to implement a filter from a combobox with checkboxes enabled in order to create a where clause that would look a bit like

WHERE MyId in (1,2,3,4)

I create the combobox with checkbox option on during 'OnExpressionItemCreated', but am having trouble applying the selected values to the filter.

I have tried in 'OnExpressionEvaluated' to reformat the evaluationData ExpressionFormat and Value to produce what I am looking for to no avail. I have also tried in the same method to create a group expression as a series of 'ORs', but can't figure out how to get this group expression to replace the original 'RadFilterNonGroupExpression'.

Any ideas how I could achieve my goal?

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Kostadin
Telerik team
answered on 23 Jan 2014, 08:59 AM
Hello Adam,

I would recommend you to examine the following help articles which describes how to achieve your requirement:
Creating Custom Field Editors
Building Filter Expressions Manually

Regards,
Kostadin
Telerik
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