ASPxTreeList.CustomFilterExpressionDisplayText Event
Enables you to display custom text in the filter bar, corresponding to the current filter expression.
Namespace: DevExpress.Web.ASPxTreeList
Assembly: DevExpress.Web.ASPxTreeList.v20.2.dll
NuGet Package: DevExpress.Web
Declaration
public event CustomFilterExpressionDisplayTextEventHandler CustomFilterExpressionDisplayTextEvent Data
The CustomFilterExpressionDisplayText event's data class is CustomFilterExpressionDisplayTextEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Criteria | Gets the applied filter criteria. |
| DisplayText | Gets or sets the filter expression displayed within the filter bar, representing the applied filter criteria. |
| EncodeHtml | Gets or sets a value that specifies whether the filter expression displayed within the filter bar keeps any of its values that are HTML as HTML, or instead, strips out the HTML markers. |
| FilterExpression | Gets the text representation of the applied filter criteria, which can be obtained via the CustomFilterExpressionDisplayTextEventArgs.Criteria property. |
| Tooltip | Gets or sets the tooltip text. |
Remarks
The CustomFilterExpressionDisplayText event is raised each time the filter bar is being rendered, and allows you to change the filter string displayed in the bar.
The event parameter’s CustomFilterExpressionDisplayTextEventArgs.Criteria properties allow you to obtain the filter criteria currently applied. Its text representation is returned by the CustomFilterExpressionDisplayTextEventArgs.FilterExpression property. By default, this text is displayed within the filter bar. To display custom text, use the CustomFilterExpressionDisplayTextEventArgs.DisplayText property.