Read column names from Access database table

OleDbConnection con;
OleDbCommand cmd;
OleDbDataReader reader;
           
con = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=D:\\SampleDB.mdb;" + "Jet OLEDB:Engine Type=5");
con.Open();
           
cmd = new OleDbCommand("SELECT * from Table1", con);           
reader = cmd.ExecuteReader();
int iColumns = reader.VisibleFieldCount;
for (int x = 0; x < iColumns; x++)
{                             
        listBox1.Items.Add(reader.GetName(x));               
}
con.Close();