corelibraries-2129-devexpress-data-library-criteria-operators.md
The table below lists all the operators provided by DevExpress Data Library.
| Operator (class) | Description |
|---|---|
| AggregateOperand | An aggregate operator which calculates aggregate expressions (MIN, MAX, SUM, etc.) |
| BetweenOperator | An operator which determines whether a criteria expression lies between the specified range of values. |
| BinaryOperator | A logical expression which consists of a BinaryOperatorType operation between two operands. |
| ContainsOperator | An operator which checks if a collection contains at least one object matching a specific criteria. |
| FunctionOperator | A function operator based on a FunctionOperatorType. |
| GroupOperator | A logical expression which groups two or more operands with a logical AND or OR. |
| InOperator | An operator which determines if a value matches any value in a specified list. |
| JoinOperand | An operator that joins persistent objects on a specified condition, and calculates aggregate functions against matching objects. |
| UnaryOperator | An unary operator which performs an operation on only one expression. |
| OperandProperty | An object property operand in criteria expressions. |
| OperandValue | A value operand in criteria expressions. |
| ConstantValue | A constant value operand in criteria expressions. |
See Also
How to: Implement a Custom Criteria Language Function Operator