Description: C# to read and write Excel files, no office support, you can read Excel files to DataSet, DataTable, you can also write to the memory table to an Excel file. Dll contains several components and a cs code file, there are detailed notes, I often use. However, export performance is not good, if it is thousands of rows of data exported to Excel will be very slow.
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File list (Check if you may need any files):
ExcelHelper\ExcelHelper.cs
...........\msadox.dll
...........\msjro.dll
...........\NPOI.dll
...........\NPOI.OOXML.dll
...........\NPOI.OpenXml4Net.dll
...........\NPOI.OpenXmlFormats.dll
...........\NPOI.XML
ExcelHelper
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