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DataBind SAP HANA Data to the DevExpress Data Grid
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SAP HANA ADO.NET Provider
Rapidly create and deploy powerful .NET applications that integrate with SAP HANA databases.
Use the CData ADO.NET Provider for SAP HANA with the DevExpress Windows Forms and Web controls to provide SAP HANA data to a chart.
The CData ADO.NET Provider for SAP HANA 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.
Set the Server, Database and Port properties to specify the address of your SAP Hana database to interact with. Set the User and the Password properties to authenticate to the server.
Windows Forms Controls
The code below shows how to populate a DevExpress chart with SAP HANA data. The SAPHANADataAdapter 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 (SAPHANAConnection connection = new SAPHANAConnection(
"User=system;Password=mypassword;Server=localhost;Database=systemdb;")) {
SAPHANADataAdapter dataAdapter = new SAPHANADataAdapter(
"SELECT Name, OwnerId FROM Buckets WHERE Name = 'TestBucket'", 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[] { "OwnerId" });
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 SAP HANA data. The SAPHANADataAdapter 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 (SAPHANAConnection connection = new SAPHANAConnection(
"User=system;Password=mypassword;Server=localhost;Database=systemdb;"))
{
SAPHANADataAdapter SAPHANADataAdapter1 = new SAPHANADataAdapter("SELECT Name, OwnerId FROM Buckets WHERE Name = 'TestBucket'", connection);
DataTable table = new DataTable();
SAPHANADataAdapter1.Fill(table);
DevExpress.XtraCharts.Series series = new Series("Series1", ViewType.Bar);
WebChartControl1.Series.Add(series);
series.DataSource = table;
series.ValueDataMembers.AddRange(new string[] { "OwnerId" });
series.ArgumentScaleType = ScaleType.Qualitative;
series.ArgumentDataMember = "Name";
series.ValueScaleType = ScaleType.Numerical;
((DevExpress.XtraCharts.SideBySideBarSeriesView)series.View).ColorEach = true;
}
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