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DataBind Oracle Eloqua Data to the DevExpress Data Grid

Use the CData ADO.NET Provider for Oracle Eloqua with the DevExpress Windows Forms and Web controls to provide Oracle Eloqua data to a chart.

The CData ADO.NET Provider for Oracle Eloqua implements standard ADO.NET data access components that can be used with third-party controls. The standard ADO.NET process for databinding can be followed to enable bidirectional access to live data from UI controls. In this article we show how to use the CData components to databind to the DevExpress Windows Forms and Web controls; you will databind to a chart that displays current data.

There are two authentication methods available for connecting to Oracle Eloqua: Login and OAuth. The Login method requires you to have the Company, User, and Password of the user.

If you do not have access to the username and password or do not wish to require them, you can use OAuth authentication. OAuth is better suited for allowing other users to access their own data. Using login credentials is better suited for accessing your own data.

Windows Forms Controls

The code below shows how to populate a DevExpress chart with Oracle Eloqua data. The OracleEloquaDataAdapter 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 (OracleEloquaConnection connection = new OracleEloquaConnection( "User=user;Password=password;Company=CData;")) { OracleEloquaDataAdapter dataAdapter = new OracleEloquaDataAdapter( "SELECT Name, ActualCost FROM Campaign", 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[] { "ActualCost" }); series.ArgumentScaleType = DevExpress.XtraCharts.ScaleType.Qualitative; series.ArgumentDataMember = "Name"; 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 Oracle Eloqua data. The OracleEloquaDataAdapter 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 (OracleEloquaConnection connection = new OracleEloquaConnection( "User=user;Password=password;Company=CData;")) { OracleEloquaDataAdapter OracleEloquaDataAdapter1 = new OracleEloquaDataAdapter("SELECT Name, ActualCost FROM Campaign", connection); DataTable table = new DataTable(); OracleEloquaDataAdapter1.Fill(table); DevExpress.XtraCharts.Series series = new Series("Series1", ViewType.Bar); WebChartControl1.Series.Add(series); series.DataSource = table; series.ValueDataMembers.AddRange(new string[] { "ActualCost" }); series.ArgumentScaleType = ScaleType.Qualitative; series.ArgumentDataMember = "Name"; series.ValueScaleType = ScaleType.Numerical; ((DevExpress.XtraCharts.SideBySideBarSeriesView)series.View).ColorEach = true; }
 
 
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