Connect to HPCC Systems Data from PowerBuilder

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Rapidly create and deploy powerful .NET applications that integrate with HPCC Systems!

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

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 HPCC Systems in PowerBuilder.

This article shows how to create a basic PowerBuilder application that uses the CData ADO.NET Provider for HPCC Systems to retrieve data.

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


    To connect, set the following connection properties: Set URL to the machine name or IP address of the server and the port the server is running on, for example, https://server:port. The User and Password are required to authenticate to the HPCC Systems cluster specified in the URL. Note that LDAP authentication is not currently supported by our ODBC driver.

    Set Version to the WsSQL Web server version. Note that if you have not already done so, you will need to install the WsSQL service on the HPCC Systems server. The WsSQL Web service is used to interact with the underlying HPCC Systems platform.

    Set Cluster to the target cluster.

  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=CustomerName}" Header="CustomerName" Width="SizeToHeader" /> ... </DataGrid.Columns> </DataGrid>
  4. Add a reference to the CData ADO.NET Provider for HPCC Systems 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.HPCC.HPCCConnection conn conn = create System.Data.CData.HPCC.HPCCConnection(connectionString) System.Data.CData.HPCC.HPCCCommand comm comm = create System.Data.CData.HPCC.HPCCCommand(command, conn) System.Data.DataTable table table = create System.Data.DataTable System.Data.CData.HPCC.HPCCDataAdapter dataAdapter dataAdapter = create System.Data.CData.HPCC.HPCCDataAdapter(comm) dataAdapter.Fill(table) datagrid1.ItemsSource=table.DefaultView

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