CSHARP

closedxm Iworksheet excel formulal

                var totalBuldPlanCell = worksheet.Cell(rowIndex, 4);
                var formulaString = new StringBuilder();
                var shiftBuildPlanColumnOffset = 5;
                for (var shiftCounter = 1; shiftCounter <= exportDataView.Shifts.Count; shiftCounter++)
                {
                    var cellAddress = $"{worksheet.Cell(rowIndex, shiftBuildPlanColumnOffset).Address.ColumnLetter}{worksheet.Cell(rowIndex, shiftBuildPlanColumnOffset).Address.RowNumber}";
                    formulaString.Append(cellAddress);

                    if (shiftCounter < exportDataView.Shifts.Count)
                    {
                        formulaString.Append("+");
                    }

                    shiftBuildPlanColumnOffset += 3;
                }

                totalBuldPlanCell.FormulaA1 = formulaString.ToString();
                totalBuldPlanCell.Style.Protection.SetLocked(true);