DRIT.Spreadsheet

DRIT.Spreadsheet provides an easy to use, intuitive .NET API to read, create and convert spreadsheet documents from various formats to OpenXml. 

• Read XLSX, XLS, XLSB, XML Spreadsheet, CSV, TSV file formats.
• Write to XLSX, CSV, TSV
• Calculate almost all Excel functions and evaluate expressions.
• Format sheet cells and ranges.
• Create and manipulate sheet shapes and pictures.