Easily import data from common data sources, like arrays, data tables, collection objects, and HTML tables, into an Excel worksheet. Show  Export dataData in an existing worksheet can also be exported to data tables, collection objects, and nested classes. SortingData sorting can be performed based on cell value, cell color, and font color using multiple sorting algorithms. FiltersExcel Library supports various filter options like top, top10, and percent, with different filter types such as custom, combination, dynamic, color, icon, and advanced filters. Data validationCell data validations can be applied with operators, alert messages, custom formulas, and dropdown lists. Last modified: April 07, 2022
private ClosedXML.Excel.XLWorkbook GenerateClosedXMLWorkbook() { var wb = new ClosedXML.Excel.XLWorkbook(); var ws = wb.AddWorksheet(); ws.FirstCell().SetValue("Hello world!"); ws.FirstCell().CellBelow().FormulaA1 = "RAND()"; return wb; }Savestring path = "C:\\Temp\\Excel\\"; if (!Directory.Exists(path)) { Directory.CreateDirectory(path); } using (var wb = GenerateClosedXMLWorkbook()) { wb.SaveAs(path + "test.xlsx"); }Downloadusing (var wb = GenerateClosedXMLWorkbook()) { return wb.Deliver("generatedfile.xlsx"); }Readvar dt = new DataTable(); dt.Columns.Add("Col1"); var filePath = "C:\\Temp\\Excel\\test.xlsx"; using (var workBook = new XLWorkbook(filePath)) { var workSheet = workBook.Worksheet(1); foreach (IXLRow row in workSheet.Rows()) { int i = 0; dt.Rows.Add(); foreach (IXLCell cell in row.Cells()) { dt.Rows[dt.Rows.Count - 1][i] = cell.Value.ToString(); i++; } } }Get $100 Free, sign up todayPopular ArticlesClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with the underlying OpenXML API. For more information see the documentation or the wiki. Release notes & migration guideThe public API is still not stable and it is a very good idea to read release notes and migration guide before each update.
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Install ClosedXML via NuGetIf you want to include ClosedXML in your project, you can install it directly from NuGet To install ClosedXML, run the following command in the Package Manager Console What can you do with this?ClosedXML allows you to create Excel files without the Excel application. The typical example is creating Excel reports on a web server. Example: using (var workbook = new XLWorkbook()) { var worksheet = workbook.Worksheets.Add("Sample Sheet"); worksheet.Cell("A1").Value = "Hello World!"; worksheet.Cell("A2").FormulaA1 = "=MID(A1, 7, 5)"; workbook.SaveAs("HelloWorld.xlsx"); } ExtensionsBe sure to check out our
Developer guidelinesThe OpenXML specification is a large and complicated beast. In order for ClosedXML, the wrapper around OpenXML, to support all the features, we rely on community contributions. Before opening an issue to request a new feature, we'd like to urge you to try to implement it yourself and log a pull request. Which library is used for working with Excel?Openpyxl is a Python library that is used to read from an Excel file or write to an Excel file. Data scientists use Openpyxl for data analysis, data copying, data mining, drawing charts, styling sheets, adding formulas, and more.
How to read an Excel file in C#?How to Read Excel File in C#. Download the C# Library to read Excel files.. Load and read an Excel file (workbook). Create an Excel workbook in CSV or XLSX.. Edit cell values in a range of cells.. Validate spreadsheet data.. Export data using Entity Framework.. What is Excelpackage C#?Represents an Excel 2007/2010 XLSX file package. This is the top-level object to access all parts of the document.
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Which .NET library is for reading manipulating and writing Excel?
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