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Connect to Couchbase Data from PowerBuilder
This article demonstrates how to access Couchbase data from Appeon PowerBuilder using the CData ADO.NET Provider for Couchbase.
This article demonstrates using the CData ADO.NET Provider for Couchbase 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 Couchbase to perform reads and writes.
- In a new WPF Window Application solution, add all the Visual Controls needed for the connection properties. Below is a typical connection string:
User=myuseraccount;Password=mypassword;Server=http://mycouchbaseserver;
To connect using the Login method, set User, Password, and Server to the credentials for the account and the address of the server you want to connect to.
- 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=FirstName}" Header="FirstName" Width="SizeToHeader" /> ... </DataGrid.Columns> </DataGrid> - Add a reference to the CData ADO.NET Provider for Couchbase 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.Couchbase.CouchbaseConnection conn
conn = create System.Data.CData.Couchbase.CouchbaseConnection(connectionString)
System.Data.CData.Couchbase.CouchbaseCommand comm
comm = create System.Data.CData.Couchbase.CouchbaseCommand(command, conn)
System.Data.DataTable table
table = create System.Data.DataTable
System.Data.CData.Couchbase.CouchbaseDataAdapter dataAdapter
dataAdapter = create System.Data.CData.Couchbase.CouchbaseDataAdapter(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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Couchbase ADO.NET Provider
Rapidly create and deploy powerful .NET applications that integrate with Couchbase NoSQL databases.
