( e.Value ) < 1 ) { this.gridView1.SetRowCellValue( -2147483647 , this.gridView1.Columns[ 1 ].FieldName , 1 ); return; } decimal subTotal = Convert.ToDecimal( e.Value ) * costoUnitario; this.gridView1.SetRowCellValue( -2147483647 , this.gridView1.Columns[ 4 ].FieldN...