OlapDataProvider Class

OBSOLETE

The OlapDataProvider class is obsolete now. Use the DashboardOlapDataSource classe instead.

Represents a data provider for an OLAP data source.

Namespace: DevExpress.DashboardCommon

Assembly: DevExpress.Dashboard.v24.1.Core.dll

NuGet Package: DevExpress.Dashboard.Core

Declaration

C#

[Obsolete("The OlapDataProvider class is obsolete now. Use the DashboardOlapDataSource classe instead.")]
public class OlapDataProvider :
    IDisposable,
    IDataProvider

VB.NET

<Obsolete("The OlapDataProvider class is obsolete now. Use the DashboardOlapDataSource classe instead.")>
Public Class OlapDataProvider
    Implements IDisposable,
               IDataProvider

Related API Members

The following members return OlapDataProvider objects:

• DataSource.OlapDataProvider

Example

The following code snippets show how to bind the dashboard to the OLAP cube using DashboardOlapDataSource.

DashboardOlapDataSource allows you to establish a connection to the OLAP cube by specifying a connection string.

Form1.cs

using DevExpress.XtraBars.Ribbon;
using DevExpress.DashboardCommon;
using DevExpress.DataAccess.ConnectionParameters;

namespace Dashboard_OlapDataProvider {
    public partial class Form1 : RibbonForm {
        public Form1() {
            InitializeComponent();

            #region #OLAPDataSource
            OlapConnectionParameters olapParams = new OlapConnectionParameters();
            olapParams.ConnectionString = @"provider=MSOLAP;
                                  data source=http://demos.devexpress.com/Services/OLAP/msmdpump.dll;
                                  initial catalog=Adventure Works DW Standard Edition;
                                  cube name=Adventure Works;";

            DashboardOlapDataSource olapDataSource = new DashboardOlapDataSource(olapParams);
            olapDataSource.Fill();

            dashboardDesigner1.Dashboard.DataSources.Add(olapDataSource);
            #endregion #OLAPDataSource

            InitializeDashboardItems();
        }

        void InitializeDashboardItems() {
            IDashboardDataSource olapDataSource = dashboardDesigner1.Dashboard.DataSources[0];

            PivotDashboardItem pivot = new PivotDashboardItem(); 
            pivot.DataSource = olapDataSource;
            pivot.Values.Add(new Measure("[Measures].[Sales Amount]"));
            pivot.Columns.Add(new Dimension("[Sales Channel].[Sales Channel].[Sales Channel]"));
            pivot.Rows.AddRange(
                new Dimension("[Sales Territory].[Sales Territory].[Group]", 1), 
                new Dimension("[Sales Territory].[Sales Territory].[Country]", 1), 
                new Dimension("[Sales Territory].[Sales Territory].[Region]", 1));
            pivot.AutoExpandRowGroups = true;

            ChartDashboardItem chart = new ChartDashboardItem(); 
            chart.DataSource = olapDataSource;
            chart.Arguments.Add(new Dimension("[Sales Territory].[Sales Territory].[Country]"));
            chart.Panes.Add(new ChartPane());
            SimpleSeries salesAmountSeries = new SimpleSeries(SimpleSeriesType.Bar);
            salesAmountSeries.Value = new Measure("[Measures].[Sales Amount]");
            chart.Panes[0].Series.Add(salesAmountSeries);

            dashboardDesigner1.Dashboard.Items.AddRange(pivot, chart);
        }
    }
}

Form1.vb

Imports DevExpress.XtraBars.Ribbon
Imports DevExpress.DashboardCommon
Imports DevExpress.DataAccess.ConnectionParameters

Namespace Dashboard_OlapDataProvider
    Partial Public Class Form1
        Inherits RibbonForm

        Public Sub New()
            InitializeComponent()

'           #Region "#OLAPDataSource"
            Dim olapParams As New OlapConnectionParameters()
            olapParams.ConnectionString = "provider=MSOLAP;" & ControlChars.CrLf & _
"                                  data source=http://demos.devexpress.com/Services/OLAP/msmdpump.dll;" & ControlChars.CrLf & _
"                                  initial catalog=Adventure Works DW Standard Edition;" & ControlChars.CrLf & _
"                                  cube name=Adventure Works;"

            Dim olapDataSource As New DashboardOlapDataSource(olapParams)
            olapDataSource.Fill()

            dashboardDesigner1.Dashboard.DataSources.Add(olapDataSource)
'           #End Region ' #OLAPDataSource

            InitializeDashboardItems()
        End Sub

        Private Sub InitializeDashboardItems()
            Dim olapDataSource As IDashboardDataSource = dashboardDesigner1.Dashboard.DataSources(0)

            Dim pivot As New PivotDashboardItem()
            pivot.DataSource = olapDataSource
            pivot.Values.Add(New Measure("[Measures].[Sales Amount]"))
            pivot.Columns.Add(New Dimension("[Sales Channel].[Sales Channel].[Sales Channel]"))
            pivot.Rows.AddRange(New Dimension("[Sales Territory].[Sales Territory].[Group]", 1), New Dimension("[Sales Territory].[Sales Territory].[Country]", 1), New Dimension("[Sales Territory].[Sales Territory].[Region]", 1))
            pivot.AutoExpandRowGroups = True

            Dim chart As New ChartDashboardItem()
            chart.DataSource = olapDataSource
            chart.Arguments.Add(New Dimension("[Sales Territory].[Sales Territory].[Country]"))
            chart.Panes.Add(New ChartPane())
            Dim salesAmountSeries As New SimpleSeries(SimpleSeriesType.Bar)
            salesAmountSeries.Value = New Measure("[Measures].[Sales Amount]")
            chart.Panes(0).Series.Add(salesAmountSeries)

            dashboardDesigner1.Dashboard.Items.AddRange(pivot, chart)
        End Sub
    End Class
End Namespace

Inheritance

Object

OlapDataProvider