UnresolvedFilterExpressionExpressionState Property

A filter expression can be in one of three states: - Unresolved: We don't know for sure that the property/field exists, the operator may be invalid and the filter value may be of a wrong data type. - Validated: Property/field has been validated and the operator has been validated according to the property/field. The filter value data type has been validated according to the property/field. - Converted: Same as Validated. Additionally the filter value can't contain Guid ids.

public FilterExpressionState ExpressionState { get; }