dashboard-devexpress-dot-dashboardweb-dot-dashboardconfigurator-dot-underscore-events.md
Provides a server side API for the ASP.NET Core Dashboard control, ASP.NET Web Forms Dashboard control, and ASP.NET MVC Dashboard extension.
| Name | Description |
|---|---|
| BeforeExportDocument | Allows you to hide specific dashboard items when exporting the entire dashboard. |
| ConfigureDataConnection | Allows you to customize connection settings before the Web Dashboard connects to a data store (database, OLAP cube, etc.). |
| ConfigureDataReloadingTimeout | Allows you to set a time interval that specifies how frequently the Web Dashboard refreshes its in-memory cache when a user sends a data request. |
| ConfigureItemDataCalculation | Allows you to configure how the dashboard item’s client data is calculated. |
| ConnectionError | Allows users to override the default behavior if data store connection fails with current connection parameters. |
| CustomAssemblyLoading | Occurs before a custom assembly is loaded for use as DashboardEFDataSource. |
| CustomExport | Allows you to customize the exported document. |
| CustomFilterExpression | Allows you to include WHERE clauses into DashboardSqlDataSource queries. |
| CustomizeExportDocument | Allows you to customize the stream containing the resulting document (such as PDF, Image, or Excel). |
| CustomPalette | Provides the capability to substitute the default palette containing colors used to paint dashboard item elements. |
| CustomParameters | Occurs before data is loaded from the data store and allows you to customize dashboard parameters that are used for data processing. |
| DataLoading | Allows you to provide data for the DashboardObjectDataSource. |
| DataSourceCacheKeyCreated | Occurs when a data source cache key is created. Allows you to manage cache granularity. |
| ExcelDataSourceBeforeFill | Provides the capability to change options used to extract data from Microsoft Excel workbooks (XLS, XLSX or XLSM files) or CSV files. |
| ValidateCustomSqlQuery | Provides the capability to check the validity of the custom SQL query used to supply the dashboard with data. |
| ValidateUnderlyingDataColumns | Raises when a user requests underlying data from the client and allows you to validate which columns should be returned. |
| VerifyClientTrustLevel | Allows you to verify the trust level used to specify which actions a client can initiate on the server. |
See Also