public DataSet consultar()
{
String SQL = "SELECT * FROM Publicidade";
Conexao objConexao = new Conexao("SQLServer");
SqlDataAdapter adapter = new SqlDataAdapter(SQL, objConexao.cn);
DataSet ds = new DataSet("Tabela");
adapter.Fill(ds, "Tabela");
objConexao.fechaConexao();
return ds;
}