DataBind Amazon S3 Data to the DevExpress Data Grid

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Amazon S3 ADO.NET Provider

Rapidly create and deploy powerful .NET applications that integrate with Amazon S3 file storage data.

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Use the CData ADO.NET Provider for Amazon S3 with the DevExpress Windows Forms and Web controls to provide Amazon S3 data to a chart.

The CData ADO.NET Provider for Amazon S3 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.

To authorize Amazon S3 requests, provide the credentials for an administrator account or for an IAM user with custom permissions. Set AccessKey to the access key Id. Set SecretKey to the secret access key.

Note: You can connect as the AWS account administrator, but it is recommended to use IAM user credentials to access AWS services.

For information on obtaining the credentials and other authentication methods, refer to the Getting Started section of the Help documentation.

Windows Forms Controls

The code below shows how to populate a DevExpress chart with Amazon S3 data. The AmazonS3DataAdapter 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 (AmazonS3Connection connection = new AmazonS3Connection( "AccessKey=a123;SecretKey=s123;")) { AmazonS3DataAdapter dataAdapter = new AmazonS3DataAdapter( "SELECT Name, OwnerId FROM ObjectsACL 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 Amazon S3 data. The AmazonS3DataAdapter 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 (AmazonS3Connection connection = new AmazonS3Connection( "AccessKey=a123;SecretKey=s123;")) { AmazonS3DataAdapter AmazonS3DataAdapter1 = new AmazonS3DataAdapter("SELECT Name, OwnerId FROM ObjectsACL WHERE Name = 'TestBucket'", connection); DataTable table = new DataTable(); AmazonS3DataAdapter1.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; }