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With the ASPxFilterControl, users can construct multiple filter expressions, combined by any logical operator, and apply them to controls or to a data source.
The ASPxFilterControl includes the following end-user capabilities for filter criteria construction:
Add/remove filter expressions
Users can use Add and Remove buttons to add and remove filter expressions (conditions).
Change a field in a filter expression
Users can change a condition field. To do this, they can invoke the field dropdown menu and choose the required field.
Change an operator in a filter expression
To change a comparison operator, users can invoke the operator dropdown menu and choose the required operator.
Edit an expression value
Users can edit a criteria value. To discard changes to the criteria value and close the active edit box, they can press ESC.
Change a group combining operator
Conditions combined by a logical operator at the same level form a group. Users can invoke the combining operator dropdown menu to change the current combining operator. Accessible logical operators are as follows: And, Or, Not And, Not Or.
Add/remove nested groups
Users can invoke the combining operator dropdown menu to add and remove nested groups, which allows them to build more complex filter criteria.