CODE EXAMPLE FOR CSHARP

c# read excel file using epplus save to datatable

// Pass to param the excel file location (path)
public DataTable Read(string filePath)
        {
            try
            {
                DataTable dt = new DataTable();
                FileInfo excelFile = new FileInfo(filePath);
                ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
                using (var package = new ExcelPackage(excelFile))
                {
                    ExcelWorksheet workSheet = package.Workbook.Worksheets[0];
                    //add column header
                    foreach (var firstRC in workSheet.Cells[1, 1, 1, workSheet.Dimension.End.Column])
                    {
                        dt.Columns.Add(firstRC.Text);
                    }

                    // add rows
                    for (int rN = 2; rN <= workSheet.Dimension.End.Row; rN++)
                    {
                        ExcelRange row = workSheet.Cells[rN, 1, rN, workSheet.Dimension.End.Column];
                        DataRow newR = dt.NewRow();
                        foreach (var cell in row)
                        {
                            newR[cell.Start.Column - 1] = cell.Text;
                        }

                        dt.Rows.Add(newR);
                    }
                }

                return dt;
            }
            catch (Exception ex)
            {

                throw new Exception(ex.Message);
            }
        }