Public Function BeginExecuteReader(
    ByVal behavior As CommandBehavior
) As IAsyncResult

public IAsyncResult BeginExecuteReader(CommandBehavior behavior)

An System.IAsyncResult that can be used to poll, wait for results, or both; this value is also needed when invoking EndExecuteReader(IAsyncResult), which returns an SADataReader object that can be used to retrieve the returned rows.

For asynchronous command, the order of parameters must be consistent with CommandText.

• SACommand.EndExecuteReader method [SQL Anywhere .NET]
• SADataReader class [SQL Anywhere .NET]