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DataBind Azure Analysis Services Data to the DevExpress Data Grid
Use the CData ADO.NET Provider for Azure Analysis Services with the DevExpress Windows Forms and Web controls to provide Azure Analysis Services data to a chart.
The ADO.NET Provider for Azure Analysis Services by CData incorporates conventional ADO.NET data access components compatible with third-party controls. You can adhere to the standard ADO.NET data binding procedures to establish two-way access to real-time data through UI controls. This article will demonstrate the utilization of CData components for data binding with DevExpress UI Controls (Windows Forms and Web controls), specifically binding to a chart that visualizes live data.
To connect to Azure Analysis Services, set the Url property to a valid server, for instance, asazure://southcentralus.asazure.windows.net/server, in addition to authenticating. Optionally, set Database to distinguish which Azure database on the server to connect to.
Azure Analysis Services uses the OAuth authentication standard. OAuth requires the authenticating user to interact with Azure Analysis Services using the browser. You can connect without setting any connection properties for your user credentials. See the Help documentation for more information.
Windows Forms Controls
The code below shows how to populate a DevExpress chart with Azure Analysis Services data. The AASDataAdapter binds to the Series property of the chart control. The Diagram property of the control defines the x- and y-axes as the column names.
using (AASConnection connection = new AASConnection(
"URL=asazure://REGION.asazure.windows.net/server;InitiateOAuth=GETANDREFRESH")) {
AASDataAdapter dataAdapter = new AASDataAdapter(
"SELECT Country, Education FROM Customer WHERE Country = 'Australia'", connection);
DataTable table = new DataTable();
dataAdapter.Fill(table);
DevExpress.XtraCharts.Series series = new DevExpress.XtraCharts.Series();
chartControl1.Series.Add(series);
series.DataSource = table;
series.ValueDataMembers.AddRange(new string[] { "Education" });
series.ArgumentScaleType = DevExpress.XtraCharts.ScaleType.Qualitative;
series.ArgumentDataMember = "Country";
series.ValueScaleType = DevExpress.XtraCharts.ScaleType.Numerical;
chartControl1.Legend.Visibility = DevExpress.Utils.DefaultBoolean.False;
((DevExpress.XtraCharts.SideBySideBarSeriesView)series.View).ColorEach = true;
}
Web Controls
The code below shows how to populate a DevExpress Web control with Azure Analysis Services data. The AASDataAdapter binds to the Series property of the chart; the Diagram property defines the x- and y-axes as the column names.
using DevExpress.XtraCharts;
using (AASConnection connection = new AASConnection(
"URL=asazure://REGION.asazure.windows.net/server;InitiateOAuth=GETANDREFRESH"))
{
AASDataAdapter AASDataAdapter1 = new AASDataAdapter("SELECT Country, Education FROM Customer WHERE Country = 'Australia'", connection);
DataTable table = new DataTable();
AASDataAdapter1.Fill(table);
DevExpress.XtraCharts.Series series = new Series("Series1", ViewType.Bar);
WebChartControl1.Series.Add(series);
series.DataSource = table;
series.ValueDataMembers.AddRange(new string[] { "Education" });
series.ArgumentScaleType = ScaleType.Qualitative;
series.ArgumentDataMember = "Country";
series.ValueScaleType = ScaleType.Numerical;
((DevExpress.XtraCharts.SideBySideBarSeriesView)series.View).ColorEach = true;
}
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