How to set the filter bar cell as blank in WinForms GridGroupingControl?

Dynamic filter

To set the FilterBar cell as blank, it can be achieved by setting the SelectAllText value as String.Empty in the DynamicFilterCellModel.

public class DynamicFilterCellModel : GridTableFilterBarExtCellModel
{
    public DynamicFilterCellModel(GridModel grid)
        : base(grid)
    {
        //To display the empty selected
        this.SelectAllText = string.Empty;
    }
}

Public Class DynamicFilterCellModel
    Inherits GridTableFilterBarExtCellModel

    Public Sub New(ByVal grid As GridModel)
        MyBase.New(grid)
        'To display the empty selected
        Me.SelectAllText = String.Empty
    End Sub
End Class

The below screenshot illustrates the filter bar cell as blank.

Filter cell as blank in GridGroupingcontrol

Samples:

C#: FilterbarCellBlank_CS

VB: FilterbarCellBlank_VB

Reference Link: Dynamic filter

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How to set the filter bar cell as blank in WinForms GridGroupingControl?

Dynamic filter

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