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Advanced filter in OpenAccessLinqDataSource possible?
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Stepan asked on 10 Feb 2012, 09:13 AM
We are reviewing the capabilities of OpenAccessLinqDataSource, in particular its filtering functionality.
Having read this page

we want to learn how flexible the filter expressions could be.

The questions:
1) Is it possible to set up filtering with LIKE predicate? Something like:

  <entity_property>  contains @text_param

For example, in Oracle SQL we could use:
  tableA.columnB LIKE '%'|| :text_param ||'%'

 What is the syntax in OpenAccessLinqDataSource designer?

2) Which properties/events can be pulled in to change filter expressions in run time?

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Damyan Bogoev
Telerik team
answered on 13 Feb 2012, 06:40 PM


Actually you could perform full-text search using OpenAccess ORM with a bit of SQL:
var query = from p in context.ProductName where "FREETEXT ({0},{1})".SQL<bool>(p.ProductName, 'spread') select p;

The following help article demonstrates how to change the filter expression of the OpenAccessLinqDataSource runtime.
Hope that helps.

Kind regards,
Damyan Bogoev
the Telerik team
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