private bool revcant(string idprod, decimal cant)
{
int total = DgvProd.Rows.Count;
int cont, canti = Int32.Parse(cant.ToString());
for (cont = 0; cont < total; cont++)
{
if (DgvProd.Rows[cont].Cells[0].Value.ToString() == idprod)
{
canti += Int32.Parse(DgvProd.Rows[cont].Cells[6].Value.ToString());
}
}
return(prod.exitencias(idprod, canti));
}