GridDevExtremeDataSource<T>.GetUniqueValuesAsync(GridCustomDataSourceUniqueValuesOptions, CancellationToken) Method

Returns an array of unique values contained in the specified column.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v23.2.dll

NuGet Package: DevExpress.Blazor

Declaration

public override Task<object[]> GetUniqueValuesAsync(
    GridCustomDataSourceUniqueValuesOptions options,
    CancellationToken cancellationToken
)

Parameters

Name	Type	Description
options	GridCustomDataSourceUniqueValuesOptions	Options that data source items should match.
cancellationToken	CancellationToken	An object that propagates a cancellation notification.

Returns

Type	Description
Task<Object[]>	An asynchronous operation that returns unique column values.

Remarks

Do not call this method directly - the grid calls this method automatically.