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DataBind Google Drive Data to the DevExpress Data Grid
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Google Drive ADO.NET Provider
An easy-to-use database-like interface for .NET applications access to live Google Drive data (Files, Changes, Apps, and more).
Use the CData ADO.NET Provider for Google Drive with the DevExpress Windows Forms and Web controls to provide Google Drive data to a chart.
The CData ADO.NET Provider for Google Drive 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.
You can connect to Google APIs on behalf of individual users or on behalf of a domain. Google uses the OAuth authentication standard. See the "Getting Started" section of the help documentation for a guide.
Windows Forms Controls
The code below shows how to populate a DevExpress chart with Google Drive data. The GoogleDriveDataAdapter 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 (GoogleDriveConnection connection = new GoogleDriveConnection(
"InitiateOAuth=GETANDREFRESH")) {
GoogleDriveDataAdapter dataAdapter = new GoogleDriveDataAdapter(
"SELECT Name, Size FROM Files", 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[] { "Size" });
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 Google Drive data. The GoogleDriveDataAdapter 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 (GoogleDriveConnection connection = new GoogleDriveConnection(
"InitiateOAuth=GETANDREFRESH"))
{
GoogleDriveDataAdapter GoogleDriveDataAdapter1 = new GoogleDriveDataAdapter("SELECT Name, Size FROM Files", connection);
DataTable table = new DataTable();
GoogleDriveDataAdapter1.Fill(table);
DevExpress.XtraCharts.Series series = new Series("Series1", ViewType.Bar);
WebChartControl1.Series.Add(series);
series.DataSource = table;
series.ValueDataMembers.AddRange(new string[] { "Size" });
series.ArgumentScaleType = ScaleType.Qualitative;
series.ArgumentDataMember = "Name";
series.ValueScaleType = ScaleType.Numerical;
((DevExpress.XtraCharts.SideBySideBarSeriesView)series.View).ColorEach = true;
}
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Cloud & API Connectivity
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