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Complete read-write access to FreshBooks enables developers to search (Customers, Transactions, Invoices, Sales Receipts, etc.), update items, edit customers, and more, from any .NET application.

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Connect to FreshBooks Data from PowerBuilder


This article demonstrates how to access FreshBooks data from Appeon PowerBuilder using the CData ADO.NET Provider for FreshBooks.

This article demonstrates using the CData ADO.NET Provider for FreshBooks in PowerBuilder, showcasing the ease of use and compatibility of these standards-based controls across various platforms and development technologies that support Microsoft .NET, including Appeon PowerBuilder.

This article shows how to create a basic PowerBuilder application that uses the CData ADO.NET Provider for FreshBooks to perform reads and writes.

  1. In a new WPF Window Application solution, add all the Visual Controls needed for the connection properties. Below is a typical connection string:

    CompanyName=CData;Token=token;

    To connect to FreshBooks, you can set the CompanyName and Token connection properties. Alternatively, you can use the OAuth authentication standard.

    OAuth can be used to enable other users to access their own company data. To authenticate using OAuth, you will need to obtain the OAuthClientId and OAuthClientSecret by registering an app. See the "Getting Started" chapter of the help documentation for a guide to using OAuth.

  2. Add the DataGrid control from the .NET controls.
  3. Configure the columns of the DataGrid control. Below are several columns from the Account table: <DataGrid AutoGenerateColumns="False" Margin="13,249,12,14" Name="datagrid1" TabIndex="70" ItemsSource="{Binding}"> <DataGrid.Columns> <DataGridTextColumn x:Name="idColumn" Binding="{Binding Path=Id}" Header="Id" Width="SizeToHeader" /> <DataGridTextColumn x:Name="nameColumn" Binding="{Binding Path=Username}" Header="Username" Width="SizeToHeader" /> ... </DataGrid.Columns> </DataGrid>
  4. Add a reference to the CData ADO.NET Provider for FreshBooks assembly.

Connect the DataGrid

Once the visual elements have been configured, you can use standard ADO.NET objects like Connection, Command, and DataAdapter to populate a DataTable with the results of an SQL query:

System.Data.CData.FreshBooks.FreshBooksConnection conn conn = create System.Data.CData.FreshBooks.FreshBooksConnection(connectionString) System.Data.CData.FreshBooks.FreshBooksCommand comm comm = create System.Data.CData.FreshBooks.FreshBooksCommand(command, conn) System.Data.DataTable table table = create System.Data.DataTable System.Data.CData.FreshBooks.FreshBooksDataAdapter dataAdapter dataAdapter = create System.Data.CData.FreshBooks.FreshBooksDataAdapter(comm) dataAdapter.Fill(table) datagrid1.ItemsSource=table.DefaultView

The code above can be used to bind data from the specified query to the DataGrid.