VOI_v.3.1.2

        Excel.Workbook wb = excapp.Workbooks.Add(Excel.XlWBATemplate.xlWBATWorksheet);
        Excel.Worksheet sheet = (Excel.Worksheet)wb.ActiveSheet;
        var wb = excapp.Workbooks.Add(Excel.XlWBATemplate.xlWBATWorksheet);
        var sheet = (Excel.Worksheet)wb.ActiveSheet;
        MakeCaption(1, sheet, reportData);
        object[,] data = new object[reportData.Rows.Count, reportData.Columns.Count];
        var data = new object[reportData.Rows.Count, reportData.Columns.Count];
        for (int i = 0; i < reportData.Rows.Count; i++)
        for (var i = 0; i < reportData.Rows.Count; i++)
        {
            for (int j = 0; j < reportData.Columns.Count; j++)
            for (var j = 0; j < reportData.Columns.Count; j++)
            {
                data[i, j] = reportData.Rows[i][j];
            }
        }
        Excel.Range rg = sheet.Range[sheet.Cells[2, 1], sheet.Cells[1 + reportData.Rows.Count, reportData.Columns.Count]];
        var rg = sheet.Range[sheet.Cells[2, 1], sheet.Cells[1 + reportData.Rows.Count, reportData.Columns.Count]];
        rg.set_Value(Excel.XlRangeValueDataType.xlRangeValueDefault, data);
        SetNumberFormat(1, sheet, reportData, reportData.Rows.Count);