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DataBind YouTube Data to the DevExpress Data Grid

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

The CData ADO.NET Provider for YouTube 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.

YouTube uses the OAuth authentication standard. To access Google APIs on behalf on individual users, you can use the embedded CData credentials or you can register your own OAuth app.

OAuth also enables you to use a service account to connect on behalf of users in a Google Apps domain. To authenticate with a service account, you will need to register an application to obtain the OAuth JWT values.

Windows Forms Controls

The code below shows how to populate a DevExpress chart with YouTube data. The YouTubeDataAdapter 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 (YouTubeConnection connection = new YouTubeConnection( "InitiateOAuth=GETANDREFRESH")) { YouTubeDataAdapter dataAdapter = new YouTubeDataAdapter( "SELECT Title, ViewCount FROM Videos", 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[] { "ViewCount" }); series.ArgumentScaleType = DevExpress.XtraCharts.ScaleType.Qualitative; series.ArgumentDataMember = "Title"; 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 YouTube data. The YouTubeDataAdapter 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 (YouTubeConnection connection = new YouTubeConnection( "InitiateOAuth=GETANDREFRESH")) { YouTubeDataAdapter YouTubeDataAdapter1 = new YouTubeDataAdapter("SELECT Title, ViewCount FROM Videos", connection); DataTable table = new DataTable(); YouTubeDataAdapter1.Fill(table); DevExpress.XtraCharts.Series series = new Series("Series1", ViewType.Bar); WebChartControl1.Series.Add(series); series.DataSource = table; series.ValueDataMembers.AddRange(new string[] { "ViewCount" }); series.ArgumentScaleType = ScaleType.Qualitative; series.ArgumentDataMember = "Title"; series.ValueScaleType = ScaleType.Numerical; ((DevExpress.XtraCharts.SideBySideBarSeriesView)series.View).ColorEach = true; }