private void btnDiscSalvar_Click(object sender, EventArgs e)
{
String nome, descricao;
int cargaHor, idDisc;
idDisc = Convert.ToInt32(txtCodDisc.Text);
nome = txtDiscNome.Text;
cargaHor = Convert.ToInt32(txtDiscCargaHor.Text);
descricao = txtDescricao.Text;
discEnt.Nome = nome;
discEnt.IdDisciplina = idDisc;
discEnt.Carga_Hor = cargaHor;
discEnt.Descricao = descricao;
discDAO.salvarDisc(discEnt);
}