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View this topic on docs.devexpress.com (Learn more)

VGridControl.CustomFilterDisplayText Event

Allows you to customize the display text representing the current filter within the filter panel.

Namespace:DevExpress.XtraVerticalGrid
Assembly:DevExpress.XtraVerticalGrid.v19.2.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type ConvertEditValueEventArgs containing data related to this event.

The following ConvertEditValueEventArgs properties provide information specific to this event.
Property Description
Handled Gets or sets a value specifying whether default edit value conversion/formatting is required.
Value Gets or sets either the edit or the display value of an editor.

Expanded Remarks

The CustomFilterDisplayText event allows you to customize the display text of a specific filter (generally, the text displayed within the filter panel). When the event fires, its Value parameter specifies the current filter criteria which is represented by a DevExpress.Data.Filtering.CriteriaOperator object. Depending on the current criteria, you can provide a specific filter display text. To specify the filter display text, assign the required string (or any object whose ToString() method returns the required string) to the Value parameter and set the Handled parameter to true.

Expanded Example

In the following example, the CustomFilterDisplayText event is handled to display "No Filter" in the filter panel when the control's data is not filtered.

If the control's data is not filtered, the ConvertEditValueEventArgs.Value event parameter is set to null (Nothing in VB). In this instance, the custom display text that needs to be displayed in the filter panel is assigned to this parameter.

If the control's data is filtered, the ConvertEditValueEventArgs.Value event parameter specifies a valid DevExpress.Data.Filtering.CriteriaOperator object, which represents the current data filter. In this instance, the example illustrating the textual representation of the current filter is assigned to the ConvertEditValueEventArgs.Value parameter. Alternatively, you can check the current DevExpress.Data.Filtering.CriteriaOperator object to provide custom display text depending upon the current filter.

The result for a sample vertical grid control is displayed below.

Note

The VGridOptionsView.ShowFilterPanelMode setting of the control's VGridControlBase.OptionsView should be set to ShowAlways to enable the filter panel to be displayed even if no data filter is currently applied.

Expanded See Also

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