| Name | Description | |
|---|---|---|
  | GetAggregateFunction | Returns the GrapeCity.Enterprise.Data.DataEngine.Aggregates.AggregateFunction enum value describing the root expression's function or ('GrapeCity.Enterprise.Data.DataEngine.Aggregates.AggregateFunction.Empty' if a given expression is not a function). |
| GetFieldName | Extracts field name from the expression which looks like Fields!SomeField.Value. |
| HasFieldRefs | Indicates whether the expression contains fields |
| ResolveFieldReference | Resolves name of referenced field in given expression. |