Connect to CockroachDB Data from PowerBuilder

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CockroachDB ADO.NET Provider

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



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

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 CockroachDB in PowerBuilder.

This article shows how to create a basic PowerBuilder application that uses the CData ADO.NET Provider for CockroachDB 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=root;Password=root;Database=system;Server=localhost;Port=26257

    Set the following to connect to CockroachDB.

    • Server: The host name or IP address of the server.
    • Port: The port number of the CockroachDB server. If not specified, the default port is 26257.
    • Database: The name of the Cockroach database. If not specified, you connect to the user's default database.
    • User: The Cockroach DB user account used to authenticate.
    • Password: The password used to authenticate the user.

  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 CockroachDB 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.CockroachDB.CockroachDBConnection conn conn = create System.Data.CData.CockroachDB.CockroachDBConnection(connectionString) System.Data.CData.CockroachDB.CockroachDBCommand comm comm = create System.Data.CData.CockroachDB.CockroachDBCommand(command, conn) System.Data.DataTable table table = create System.Data.DataTable System.Data.CData.CockroachDB.CockroachDBDataAdapter dataAdapter dataAdapter = create System.Data.CData.CockroachDB.CockroachDBDataAdapter(comm) dataAdapter.Fill(table) datagrid1.ItemsSource=table.DefaultView

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