Connect to Oracle Data from PowerBuilder

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Oracle ADO.NET Provider

Rapidly create and deploy powerful .NET applications that integrate with Oracle databases.

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

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 Oracle in PowerBuilder.

This article shows how to create a basic PowerBuilder application that uses the CData ADO.NET Provider for Oracle 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:

    User=myuser;Password=mypassword;Server=localhost;Port=1521;

    To connect to Oracle, you'll first need to update your PATH variable and ensure it contains a folder location that includes the native DLLs. The native DLLs can be found in the lib folder inside the installation directory. Once you've done this, set the following to connect:

    • Port: The port used to connect to the server hosting the Oracle database.
    • User: The user Id provided for authentication with the Oracle database.
    • Password: The password provided for authentication with the Oracle database.
    • Service Name: The service name of the Oracle database.

  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=CompanyName}" Header="CompanyName" Width="SizeToHeader" /> ... </DataGrid.Columns> </DataGrid>
  4. Add a reference to the CData ADO.NET Provider for Oracle 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.OracleOCI.OracleOCIConnection conn conn = create System.Data.CData.OracleOCI.OracleOCIConnection(connectionString) System.Data.CData.OracleOCI.OracleOCICommand comm comm = create System.Data.CData.OracleOCI.OracleOCICommand(command, conn) System.Data.DataTable table table = create System.Data.DataTable System.Data.CData.OracleOCI.OracleOCIDataAdapter dataAdapter dataAdapter = create System.Data.CData.OracleOCI.OracleOCIDataAdapter(comm) dataAdapter.Fill(table) datagrid1.ItemsSource=table.DefaultView

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