[]
Gets or sets whether the PivotTable report displays a custom string in cells that contain null values.
When this property is true, the PivotTable uses the string specified by
NullString for cells that contain null values. The default value is true.
bool DisplayNullString { get; set; }
Property DisplayNullString As Boolean
worksheet.Range["A1:B4"].Value = new object[,] {
{"Name", "Value"},
{"A", 100},
{"B", null},
{"A", 200}
};
IPivotCache pivotCache = workbook.PivotCaches.Create(worksheet.Range["A1:B4"]);
IPivotTable pivotTable = worksheet.PivotTables.Add(pivotCache, worksheet.Range["D1"], "PivotTable1");
bool displayNullstring = pivotTable.DisplayNullString;