Gets or sets the OLAP member property name by which the pivot grid's data is sorted.
A System.String object specifying the name of the OLAP member property.
To sort a pivot grid's data by attribute, assign the property name to the SortByAttribute property of the field you want to sort. To obtain OLAP member properties, use the PivotGridField.GetOlapMemberProperties method.
When using the SortByAttribute method, the pivot grid field's data is sorted in alphabetical order in ascending or descending order. To change the order, use the PivotGridField.SortOrder property.