codeql/csharp/ql/test/query-tests/API Abuse/DisposeNotCalledOnException/DisposeNotCalledOnExceptionGood.cs

using System;
using System.Data.SqlClient;

class Good
{
    public SqlDataReader GetAllCustomers()
    {
        using (var conn = new SqlConnection("connection string"))
        {
            conn.Open();
            using (var cmd = new SqlCommand("SELECT * FROM Customers", conn))
            {
                return cmd.ExecuteReader();
            }
        }
    }
}