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TaxJar ADO.NET Provider
Rapidly create and deploy powerful .NET applications that integrate with TaxJar.
DataBind TaxJar Data to the DevExpress Data Grid
Use the CData ADO.NET Provider for TaxJar with the DevExpress Windows Forms and Web controls to provide TaxJar data to a chart.
The ADO.NET Provider for TaxJar 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 authenticate to the TaxJar API, you will need to first obtain the API Key from the TaxJar UI.
NOTE: the API is available only for Professional and Premium TaxJar plans.
If you already have a Professional or Premium plan you can find the API Key by logging in the TaxJar UI and navigating to Account -> TaxJar API. After obtaining the API Key, you can set it in the APIKey connection property.
Additional Notes
- By default, the CData connector will retrieve data of the last 3 months in cases where the entity support date range filtering. You can set StartDate to specify the minimum creation date of the data retrieved.
- If the API Key has been created for a sandbox API account please set UseSandbox to true, but not all endpoints will work as expected. For more information, refer to the TaxJar developer documentation.
Windows Forms Controls
The code below shows how to populate a DevExpress chart with TaxJar data. The TaxJarDataAdapter 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 (TaxJarConnection connection = new TaxJarConnection(
"APIKey=3bb04218ef8t80efdf1739abf7257144;")) {
TaxJarDataAdapter dataAdapter = new TaxJarDataAdapter(
"SELECT TransactionID, UserID FROM Orders WHERE TransactionID = '123'", 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[] { "UserID" });
series.ArgumentScaleType = DevExpress.XtraCharts.ScaleType.Qualitative;
series.ArgumentDataMember = "TransactionID";
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 TaxJar data. The TaxJarDataAdapter 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 (TaxJarConnection connection = new TaxJarConnection(
"APIKey=3bb04218ef8t80efdf1739abf7257144;"))
{
TaxJarDataAdapter TaxJarDataAdapter1 = new TaxJarDataAdapter("SELECT TransactionID, UserID FROM Orders WHERE TransactionID = '123'", connection);
DataTable table = new DataTable();
TaxJarDataAdapter1.Fill(table);
DevExpress.XtraCharts.Series series = new Series("Series1", ViewType.Bar);
WebChartControl1.Series.Add(series);
series.DataSource = table;
series.ValueDataMembers.AddRange(new string[] { "UserID" });
series.ArgumentScaleType = ScaleType.Qualitative;
series.ArgumentDataMember = "TransactionID";
series.ValueScaleType = ScaleType.Numerical;
((DevExpress.XtraCharts.SideBySideBarSeriesView)series.View).ColorEach = true;
}
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