JdeJabali.JXLDataTableExtractor

• Extract data as tables or rows from Excel.
• Search columns by their header or index number.
• Sets conditions for extracting the rows.
• Read one or many workbooks.
• Select what worksheets should be read, by index number or name.
• Get the result in a DataTable or in a collection of rows.

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Demo

string path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
string subFolderPath = Path.Combine(path, "Daily store sales");
string[] workbooks = Directory.GetFiles(subFolderPath, "*.xls");

DataTable dataTable = DataTableExtractor
    .Configure()
    .Workbooks(workbooks)
    .SearchLimits(searchLimitRow: 10, searchLimitColumn: 30)
    .Worksheet(worksheetIndex: 0) // Worksheet indexes in Excel are 0-based.
    .ReadOnlyTheIndicatedSheets()
    .ColumnHeader("Description")
    .ColumnHeader("Sales Value")
    .ColumnHeader("Discounts")

    .ColumnHeader("VAT")
        .ConditionToExtractRow(ConditionalsToExtractRow.HasNumericValueAboveZero)
        
    .ColumnIndex(columnIndex: 7) // Column indexes in Excel are 1-based.

    .CustomColumnHeaderMatch(cellValue => cellValue.Contains("Total"))
        .ConditionToExtractRow(cellValue => !string.IsNullOrEmpty(cellValue))
    .GetDataTable();

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Documentation

This line

.SearchLimits(searchLimitRow: 10, searchLimitColumn: 30)

applies to all the worksheets to read.

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To read each worksheet in each workbook, simply change this line

.ReadOnlyTheIndicatedSheets()

to this

.ReadAllWorksheets()

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If after this line for example

.ColumnHeader("Description")

this other line is not specified

.ConditionToExtractRow(condition)

then the row will always be extracted (although for that all other conditions must be met).

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You may want to get a collection of rows instead of a DataTable, for that, change

.GetDataTable();

with

.GetExtractedRows();

at the end.

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If you need more details about the rows, for example which workbook or sheet they were extracted from, then you might want to use this line at the end.

.GetWorkbooksData();

That's all

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Feedback

If you have any feedback, please reach out to me at jdejabali@outlook.com