private void reset()
{
this.acao = Controllers.Acao.inclui;
txtPreco.Text = string.Empty;
this.btnSalvar.Text = "Inclui";
this.btnCancelar.Enabled = false;
}
private void dgvPrecos_CellClick(object sender, DataGridViewCellEventArgs e)
{
if (e.RowIndex >= 0)
{
txtPreco.Text = string.Format("{0:0.00}", dgvPrecos[2, e.RowIndex].Value);
this.acao = Controllers.Acao.altera;
this.btnSalvar.Text = "Altera";
this.btnCancelar.Enabled = true;
}
}