public FilterExpression(string filter)
{
Operator = QuerySanitizer.GetFilterOperator(filter);
Key = QuerySanitizer.GetKey(ValidationType.Filter, filter);
StringValues = QuerySanitizer.GetFilterValues(filter);
this.ValidatePropertyType(Key, StringValues);
Values = StringValues.Select(x => (TResult)Convert.ChangeType(x, typeof(TResult))).ToArray();
OperationExpression = ExpressionFactory <TResult> .RequestFunc(Operator);
}
