Connect to Twitter Data from PowerBuilder

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Twitter ADO.NET Provider

A straightforward interface to connect any .NET application with Twitter integration capabilities including Search, GeoSearch, UserInfo, DirectMessages, Followers, and more!



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

The CData ADO.NET providers are easy-to-use, standards-based controls that can be used from any platform or development technology that supports Microsoft .NET, including PowerBuilder. This article shows how to use the CData ADO.NET Provider for Twitter in PowerBuilder.

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

  1. In a new WPF Window Application solution, add all the Visual Controls needed for the connection properties.

    All tables require authentication. You can connect using your User and Password or OAuth. To authenticate using OAuth, you can use the embedded OAuthClientId, OAuthClientSecret, and CallbackURL or you can register an app to obtain your own.

    If you intend to communicate with Twitter only as the currently authenticated user, then you can obtain the OAuthAccessToken and OAuthAccessTokenSecret directly by registering an app.

    See the Getting Started chapter in 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=From_User_Name}" Header="From_User_Name" Width="SizeToHeader" /> ... </DataGrid.Columns> </DataGrid>
  4. Add a reference to the CData ADO.NET Provider for Twitter 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.Twitter.TwitterConnection conn conn = create System.Data.CData.Twitter.TwitterConnection(connectionString) System.Data.CData.Twitter.TwitterCommand comm comm = create System.Data.CData.Twitter.TwitterCommand(command, conn) System.Data.DataTable table table = create System.Data.DataTable System.Data.CData.Twitter.TwitterDataAdapter dataAdapter dataAdapter = create System.Data.CData.Twitter.TwitterDataAdapter(comm) dataAdapter.Fill(table) datagrid1.ItemsSource=table.DefaultView

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