DashboardControl.AsyncExcelDataSourceBeforeFill Event

Allows you to change options used to extract data from Microsoft Excel workbooks (XLS, XLSX or XLSM files) or CSV files asynchronously.

Namespace: DevExpress.DashboardWpf

Assembly: DevExpress.Dashboard.v21.1.Wpf.dll

Declaration

public event ExcelDataSourceBeforeFillEventHandler AsyncExcelDataSourceBeforeFill

Event Data

The AsyncExcelDataSourceBeforeFill event's data class is ExcelDataSourceBeforeFillEventArgs. The following properties provide information specific to this event:

Property Description
DataSourceComponentName Gets the component name of the Excel data source for which the event was raised.
DataSourceConnectionName
DataSourceName Gets the name of the Excel data source for which the event was raised.
FileName Gets or sets a path to the Microsoft Excel workbook or CSV file.
SourceOptions Gets or sets options used to extract data from Microsoft Excel workbooks (XLS, XLSX or XLSM files) or CSV files.
Stream Gets or sets a stream that contains a Microsoft Excel workbook or CSV file.
StreamDocumentFormat Gets or sets the format of the document contained in the ExcelDataSourceBeforeFillWpfEventArgs.Stream.

Remarks

The AsyncExcelDataSourceBeforeFill event is raised for dashboards supplied with data using DashboardExcelDataSource and allows you to change settings related to loading the Microsoft Excel workbook (XLS, XLSX or XLSM files) or a CSV file. For instance, you can specify a new file path (ExcelDataSourceBeforeFillEventArgs.FileName) or change options used to extract data (ExcelDataSourceBeforeFillEventArgs.SourceOptions).

See Also