void TlbImprimirClick(object sender, EventArgs e) { var startOfMonth = new DateTime(Convert.ToInt32(cmbAno.Text), Convert.ToInt32(cmbMes.Text), 1); var DaysInMonth = DateTime.DaysInMonth(Convert.ToInt32(cmbAno.Text), Convert.ToInt32(cmbMes.Text)); var lastDay = new DateTime(Convert.ToInt32(cmbAno.Text), Convert.ToInt32(cmbMes.Text), DaysInMonth); DataTable TFactCIva = OperacionesComunes.TablaChequesFacturasCIVA(startOfMonth, lastDay); Imprimir.Imprimir_ListadoDeFactCIva(TFactCIva); }