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Connect to Phoenix Data from PowerBuilder via ADO.NET
This article demonstrates how to access Phoenix data from Appeon PowerBuilder using the CData ADO.NET Provider for Phoenix.
This article demonstrates using the CData ADO.NET Provider for Phoenix in PowerBuilder, showcasing the ease of use and compatibility of these standards-based controls across various platforms and development technologies that support Microsoft .NET, including Appeon PowerBuilder.
This article shows how to create a basic PowerBuilder application that uses the CData ADO.NET Provider for Phoenix to retrieve data.
- In a new WPF Window Application solution, add all the Visual Controls needed for the connection properties. Below is a typical connection string:
Server=localhost;Port=8765;
Connect to Apache Phoenix via the Phoenix Query Server. Set the Server and Port (if different from the default port) properties to connect to Apache Phoenix. The Server property will typically be the host name or IP address of the server hosting Apache Phoenix.
Authenticating to Apache Phoenix
By default, no authentication will be used (plain). If authentication is configured for your server, set AuthScheme to NEGOTIATE and set the User and Password properties (if necessary) to authenticate through Kerberos.
- Add the DataGrid control from the .NET controls.
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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=Id}" Header="Id" Width="SizeToHeader" /> ... </DataGrid.Columns> </DataGrid> - Add a reference to the CData ADO.NET Provider for Phoenix 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.ApachePhoenix.ApachePhoenixConnection conn
conn = create System.Data.CData.ApachePhoenix.ApachePhoenixConnection(connectionString)
System.Data.CData.ApachePhoenix.ApachePhoenixCommand comm
comm = create System.Data.CData.ApachePhoenix.ApachePhoenixCommand(command, conn)
System.Data.DataTable table
table = create System.Data.DataTable
System.Data.CData.ApachePhoenix.ApachePhoenixDataAdapter dataAdapter
dataAdapter = create System.Data.CData.ApachePhoenix.ApachePhoenixDataAdapter(comm)
dataAdapter.Fill(table)
datagrid1.ItemsSource=table.DefaultView
The code above can be used to bind data from the specified query to the DataGrid.
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Phoenix ADO.NET Provider
Rapidly create and deploy powerful .NET applications that integrate with HBase through Apache Phoenix.
