DataBind CockroachDB Data to the DevExpress Data Grid

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CockroachDB ADO.NET Provider

Rapidly create and deploy powerful .NET applications that integrate with CockroachDB.



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

The CData ADO.NET Provider for CockroachDB 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 following to connect to CockroachDB.

  • Server: The host name or IP address of the server.
  • Port: The port number of the CockroachDB server. If not specified, the default port is 26257.
  • Database: The name of the Cockroach database. If not specified, you connect to the user's default database.
  • User: The Cockroach DB user account used to authenticate.
  • Password: The password used to authenticate the user.

Windows Forms Controls

The code below shows how to populate a DevExpress chart with CockroachDB data. The CockroachDBDataAdapter 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 (CockroachDBConnection connection = new CockroachDBConnection( "User=root;Password=root;Database=system;Server=localhost;Port=26257")) { CockroachDBDataAdapter dataAdapter = new CockroachDBDataAdapter( "SELECT ShipName, ShipCity FROM Orders WHERE ShipCountry = 'USA'", 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[] { "ShipCity" }); series.ArgumentScaleType = DevExpress.XtraCharts.ScaleType.Qualitative; series.ArgumentDataMember = "ShipName"; 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 CockroachDB data. The CockroachDBDataAdapter 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 (CockroachDBConnection connection = new CockroachDBConnection( "User=root;Password=root;Database=system;Server=localhost;Port=26257")) { CockroachDBDataAdapter CockroachDBDataAdapter1 = new CockroachDBDataAdapter("SELECT ShipName, ShipCity FROM Orders WHERE ShipCountry = 'USA'", connection); DataTable table = new DataTable(); CockroachDBDataAdapter1.Fill(table); DevExpress.XtraCharts.Series series = new Series("Series1", ViewType.Bar); WebChartControl1.Series.Add(series); series.DataSource = table; series.ValueDataMembers.AddRange(new string[] { "ShipCity" }); series.ArgumentScaleType = ScaleType.Qualitative; series.ArgumentDataMember = "ShipName"; series.ValueScaleType = ScaleType.Numerical; ((DevExpress.XtraCharts.SideBySideBarSeriesView)series.View).ColorEach = true; }