You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application that will connect to the Microsoft SQL Server 2005 database. The application fills a DataSet object named cust with customer records. Your application contains the following code. （Line numbers are for reference only.） 01 System.IO.StreamWriter sw =  02 new System.IO.StreamWriter（"Customers.xml"）； 04 sw.Close（）；   You want to write the content of the cust object to the Customers.xml file as XML data along with inline XML schema.  What should you do？（）