Connect to EnterpriseDB Data from PowerBuilder

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EnterpriseDB ADO.NET Provider

Rapidly create and deploy powerful .NET applications that integrate with EnterpriseDB.



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

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 EnterpriseDB in PowerBuilder.

This article shows how to create a basic PowerBuilder application that uses the CData ADO.NET Provider for EnterpriseDB 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=postgres;Password=admin;Database=postgres;Server=127.0.0.1;Port=5444

    The following connection properties are required in order to connect to data.

    • Server: The host name or IP of the server hosting the EnterpriseDB database.
    • Port: The port of the server hosting the EnterpriseDB database.

    You can also optionally set the following:

    • Database: The default database to connect to when connecting to the EnterpriseDB Server. If this is not set, the user's default database will be used.

    Connect Using Standard Authentication

    To authenticate using standard authentication, set the following:

    • User: The user which will be used to authenticate with the EnterpriseDB server.
    • Password: The password which will be used to authenticate with the EnterpriseDB server.

    Connect Using SSL Authentication

    You can leverage SSL authentication to connect to EnterpriseDB data via a secure session. Configure the following connection properties to connect to data:

    • SSLClientCert: Set this to the name of the certificate store for the client certificate. Used in the case of 2-way SSL, where truststore and keystore are kept on both the client and server machines.
    • SSLClientCertPassword: If a client certificate store is password-protected, set this value to the store's password.
    • SSLClientCertSubject: The subject of the TLS/SSL client certificate. Used to locate the certificate in the store.
    • SSLClientCertType: The certificate type of the client store.
    • SSLServerCert: The certificate to be accepted from the server.

  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=ShipName}" Header="ShipName" Width="SizeToHeader" /> ... </DataGrid.Columns> </DataGrid>
  4. Add a reference to the CData ADO.NET Provider for EnterpriseDB 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.EnterpriseDB.EnterpriseDBConnection conn conn = create System.Data.CData.EnterpriseDB.EnterpriseDBConnection(connectionString) System.Data.CData.EnterpriseDB.EnterpriseDBCommand comm comm = create System.Data.CData.EnterpriseDB.EnterpriseDBCommand(command, conn) System.Data.DataTable table table = create System.Data.DataTable System.Data.CData.EnterpriseDB.EnterpriseDBDataAdapter dataAdapter dataAdapter = create System.Data.CData.EnterpriseDB.EnterpriseDBDataAdapter(comm) dataAdapter.Fill(table) datagrid1.ItemsSource=table.DefaultView

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