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DataBind Amazon DynamoDB Data to the DevExpress Data Grid


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

The ADO.NET Provider for Amazon DynamoDB 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.

The connection to Amazon DynamoDB is made using your AccessKey, SecretKey, and optionally your Domain and Region. Your AccessKey and SecretKey can be obtained on the security credentials page for your Amazon Web Services account. Your Region will be displayed in the upper left-hand corner when you are logged into DynamoDB.

Windows Forms Controls

The code below shows how to populate a DevExpress chart with Amazon DynamoDB data. The AmazonDynamoDBDataAdapter 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 (AmazonDynamoDBConnection connection = new AmazonDynamoDBConnection( "Access Key=xxx;Secret Key=xxx;Domain=amazonaws.com;Region=OREGON;")) { AmazonDynamoDBDataAdapter dataAdapter = new AmazonDynamoDBDataAdapter( "SELECT Industry, Revenue FROM Lead", 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[] { "Revenue" }); series.ArgumentScaleType = DevExpress.XtraCharts.ScaleType.Qualitative; series.ArgumentDataMember = "Industry"; 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 Amazon DynamoDB data. The AmazonDynamoDBDataAdapter 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 (AmazonDynamoDBConnection connection = new AmazonDynamoDBConnection( "Access Key=xxx;Secret Key=xxx;Domain=amazonaws.com;Region=OREGON;")) { AmazonDynamoDBDataAdapter AmazonDynamoDBDataAdapter1 = new AmazonDynamoDBDataAdapter("SELECT Industry, Revenue FROM Lead", connection); DataTable table = new DataTable(); AmazonDynamoDBDataAdapter1.Fill(table); DevExpress.XtraCharts.Series series = new Series("Series1", ViewType.Bar); WebChartControl1.Series.Add(series); series.DataSource = table; series.ValueDataMembers.AddRange(new string[] { "Revenue" }); series.ArgumentScaleType = ScaleType.Qualitative; series.ArgumentDataMember = "Industry"; series.ValueScaleType = ScaleType.Numerical; ((DevExpress.XtraCharts.SideBySideBarSeriesView)series.View).ColorEach = true; }