Aspose::Cells::Pivot::PivotTable::SetNullString method. Gets the string displayed in cells that contain null values when the DisplayNullString property is true.The default value is an empty string in C++....Namespace Aspose::Cells::Pivot Library Aspose.Cells for C++ Pivot...Namespace Aspose::Cells::Pivot Library Aspose.Cells for C++ Aspos...