private void Editar_cd_FormClosing(object sender, FormClosingEventArgs e)
{
condcao = false;
telaPrincipal tl_p = new telaPrincipal();
tl_p.limpargrid();
}
private void button1_Click(object sender, EventArgs e)
{
Cla_login cls = new Cla_login();
if (cls.Autenticar(tb_login.Text, tb_senha.Text) == true)
{
this.Close();
telaPrincipal tl_p = new telaPrincipal();
tl_p.Show();
}
else
{
}
}