Querying with the DataAdapter
The CData ADO.NET Provider for Marketo implements two ADO.NET interfaces you can use to retrieve data from Marketo: MarketoDataAdapter and MarketoDataReader objects. Whereas MarketoDataAdapter objects retrieve a single result set of all the data that matches a query, MarketoDataReader objects fetch data in subset increments as needed.
Using the MarketoDataAdapter
Use the adapter's Fill method to retrieve data from the data source. An empty DataTable instance is passed as an argument to the Fill method. When the method returns, the DataTable instance is populated with the queried data. Note that the MarketoDataAdapter is slower than the MarketoDataReader because the Fill method needs to retrieve all data from the data source before returning.
The following example selects the Id and Email columns of the Leads table:
C#
string connectionString = "Schema=REST;RESTEndpoint=https://MyMarketoUrl/rest;OAuthClientId=MyOAuthClientId;OAuthClientSecret=MyOAuthClientSecret;"; using (MarketoConnection connection = new MarketoConnection(connectionString)) { MarketoDataAdapter dataAdapter = new MarketoDataAdapter( "SELECT Id, Email FROM Leads", connection); DataTable table = new DataTable(); dataAdapter.Fill(table); Console.WriteLine("Contents of Leads."); foreach (DataRow row in table.Rows) { Console.WriteLine("{0}: {1}", row["Id"], row["Email"]); } }
VB.NET
Dim connectionString As String = "Schema=REST;RESTEndpoint=https://MyMarketoUrl/rest;OAuthClientId=MyOAuthClientId;OAuthClientSecret=MyOAuthClientSecret;" Using connection As New MarketoConnection(connectionString) Dim dataAdapter As New MarketoDataAdapter("SELECT Id, Email FROM Leads", connection) Dim table As New DataTable() dataAdapter.Fill(table) Console.WriteLine("Contents of Leads.") For Each row As DataRow In table.Rows Console.WriteLine("{0}: {1}", row("Id"), row("Email")) Next End Using