DxSparkline.PrintAsync() Method

Invokes the browser’s Print dialog.

Assembly : DevExpress.Blazor.v25.2.dll

Declaration

csharp

public ValueTask PrintAsync()

Returns

Type	Description
ValueTask

A structure that stores an awaitable result of an asynchronous operation.

Remarks

The following code snippet opens the Print dialog after a user clicks a custom Print button:

Razor
DataSource

razor

<DxSparkline Data="@DataSource"
             @ref=@Sparkline
             ArgumentFieldName="Month"
             ValueFieldName="VisitorCount"
             Height="50px"
             Width="200px">
</DxSparkline>

<DxButton Text="Print" Click=Print />

@code {
    DxSparkline Sparkline;

    async Task Print () {
        await Sparkline.PrintAsync();
    }

    IEnumerable<SparklineDataPoint> DataSource = Enumerable.Empty<SparklineDataPoint>();
    protected override void OnInitialized() {
        DataSource = GenerateData();
    }
}

csharp

public List<SparklineDataPoint> GenerateData() {
    return new List<SparklineDataPoint>() {
            new SparklineDataPoint( 01, 2132),
            new SparklineDataPoint( 02, 2103),
            new SparklineDataPoint( 03, 2210),
            new SparklineDataPoint( 04, 2152),
            new SparklineDataPoint( 05, 2062),
            new SparklineDataPoint( 06, 1954),
            new SparklineDataPoint( 07, 2112),
            new SparklineDataPoint( 08, 1967),
            new SparklineDataPoint( 09, 2009),
            new SparklineDataPoint( 10, 2087),
            new SparklineDataPoint( 11, 2112),
            new SparklineDataPoint( 12, 2038),
        };
}
public class SparklineDataPoint {
    public int Month { get; set; }
    public int? VisitorCount { get; set; }
    public SparklineDataPoint(int month, int? visitorCount) {
        Month = month;
        VisitorCount = visitorCount;
    }
}