PivotGridControl.CreateDrillDownDataSource(Int32, Int32, Int32) Method
Returns data records used to calculate a summary value for the specified cell. Allows you to limit the number of returned records.
Namespace: DevExpress.XtraPivotGrid
Assembly: DevExpress.XtraPivotGrid.v18.2.dll
Declaration
public PivotDrillDownDataSource CreateDrillDownDataSource(
int columnIndex,
int rowIndex,
int maxRowCount
)Parameters
| Name | Type | Description |
|---|---|---|
| columnIndex | Int32 | A zero-based integer that is the column’s visible index. Set it to -1 to obtain the column’s Grand Total. |
| rowIndex | Int32 | A zero-based integer that is the row’s visible index. Set it to -1 to obtain the row’s Grand Total. |
| maxRowCount | Int32 | An integer value that specifies the maximum number of data rows to be returned. -1 to retrieve all rows. |
Returns
| Type | Description |
|---|---|
| PivotDrillDownDataSource | A PivotDrillDownDataSource object containing the underlying data records. |
Remarks
The CreateDrillDownDataSource method retrieves data source records used to calculate current cell values.
If you use the CreateDrillDownDataSource method in OLAP mode, take note of the following limitations:
| OLAP Server | Note |
|---|---|
| MS SQL Server Analysis Services 2000 | The customColumns parameter is ignored and the CreateDrillDownDataSource method returns the granularity attributes. |
| MS SQL Server Analysis Services 2005 and 2008 | If the customColumns list is null or empty, the CreateDrillDownDataSource method returns the columns related to the current column, row and data PivotGrid fields. The method also returns filter fields, if any. |
| Any OLAP Server | If returned records contain a column used as a filter in Pivot Grid, the returned data are filtered. |
| Any OLAP Server | The CreateDrillDownDataSource is not applicable for fields which are calculated measures. |
| MS SQL Server Analysis Services - all versions | Multiple filter items selected in a Filter field results in an exception. |
Important
Do not call the CreateDrillDownDataSource method in the PivotGridControl.CustomSummary and PivotGridControl.CustomUnboundFieldData event handlers to avoid a stack overflow exception. Use the event arguments’ methods instead - the PivotGridCustomSummaryEventArgsBase<T>.CreateDrillDownDataSource and CustomFieldDataEventArgsBase<T>.GetListSourceColumnValue methods, respectively).
Note
In OLAP mode, this method equals to the PivotGridControl.CreateOLAPDrillDownDataSource method with the customColumns parameter set to null.