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ASPxTreeList.FilterControlOperationVisibility Event

Enables you to dynamically hide operation items (such as the Equals, Contains, etc.) of the filter control’s operation dropdown menu.

Namespace: DevExpress.Web.ASPxTreeList

Assembly: DevExpress.Web.ASPxTreeList.v24.2.dll

NuGet Package: DevExpress.Web

#Declaration

public event FilterControlOperationVisibilityEventHandler FilterControlOperationVisibility

#Event Data

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

Property Description
CustomFunctionName Gets a custom filter function name.
FunctionType Gets a function-based comparison operator type.
Operation Gets the comparison operator type.
PropertyInfo Gets the filterable property of the filter expression.
Visible Gets or sets a value specifying whether the filter operation is visible.

#Remarks

The FilterControlOperationVisibility event is raised for each comparison operator, and allows you to dynamically control its visibility.

Note

Online Demos Refer to the Tree List - Filter Control online demo to review how to filter Tree List data nodes using the Filter Control.

See Also