Connect to Elasticsearch Data from PowerBuilder

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Elasticsearch ADO.NET Provider

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



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

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 Elasticsearch in PowerBuilder.

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

    Server=127.0.0.1;Port=9200;User=admin;Password=123456;

    Set the Server and Port connection properties to connect. To authenticate, set the User and Password properties, PKI (public key infrastructure) properties, or both. To use PKI, set the SSLClientCert, SSLClientCertType, SSLClientCertSubject, and SSLClientCertPassword properties.

    The data provider uses X-Pack Security for TLS/SSL and authentication. To connect over TLS/SSL, prefix the Server value with 'https://'. Note: TLS/SSL and client authentication must be enabled on X-Pack to use PKI.

    Once the data provider is connected, X-Pack will then perform user authentication and grant role permissions based on the realms you have configured.

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

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