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DataBind Sybase IQ Data to the DevExpress Data Grid
Use the CData ADO.NET Provider for Sybase IQ with the DevExpress Windows Forms and Web controls to provide Sybase IQ data to a chart.
The ADO.NET Provider for Sybase IQ 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.
To connect to SybaseIQ, set User, Password, Server and Database properties. To secure connections with TLS/SSL, set UseSSL to TRUE.
Windows Forms Controls
The code below shows how to populate a DevExpress chart with Sybase IQ data. The SybaseIQDataAdapter 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 (SybaseIQConnection connection = new SybaseIQConnection(
"User=myuser;Password=mypassword;Server=localhost;Database=Northwind")) {
SybaseIQDataAdapter dataAdapter = new SybaseIQDataAdapter(
"SELECT ProductName, Price FROM Products WHERE ProductName = 'Konbu'", 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[] { "Price" });
series.ArgumentScaleType = DevExpress.XtraCharts.ScaleType.Qualitative;
series.ArgumentDataMember = "ProductName";
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 Sybase IQ data. The SybaseIQDataAdapter 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 (SybaseIQConnection connection = new SybaseIQConnection(
"User=myuser;Password=mypassword;Server=localhost;Database=Northwind"))
{
SybaseIQDataAdapter SybaseIQDataAdapter1 = new SybaseIQDataAdapter("SELECT ProductName, Price FROM Products WHERE ProductName = 'Konbu'", connection);
DataTable table = new DataTable();
SybaseIQDataAdapter1.Fill(table);
DevExpress.XtraCharts.Series series = new Series("Series1", ViewType.Bar);
WebChartControl1.Series.Add(series);
series.DataSource = table;
series.ValueDataMembers.AddRange(new string[] { "Price" });
series.ArgumentScaleType = ScaleType.Qualitative;
series.ArgumentDataMember = "ProductName";
series.ValueScaleType = ScaleType.Numerical;
((DevExpress.XtraCharts.SideBySideBarSeriesView)series.View).ColorEach = true;
}
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