i am using visual studio 2015 and trying to export data which i am importing through excel by the user selected Excel file. Now the importing part has been successfully completed i am using OLEDB Connection but Stuck in exporting the same data to a new Excel file. tried many things but nothing's been working so far. here is the code which i tried :

FileStream stream = File.Open(filePath, FileMode.Open, FileAccess.Read);

        //1. Reading from a binary Excel file ('97-2003 format; *.xls)
      //  IExcelDataReader excelReader = ExcelReaderFactory.CreateBinaryReader(stream);
        //2. Reading from a OpenXml Excel file (2007 format; *.xlsx)
        IExcelDataReader excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream);

        //3. DataSet - The result of each spreadsheet will be created in the result.Tables
        DataSet result = excelReader.AsDataSet();
        //4. DataSet - Create column names from first row
        excelReader.IsFirstRowAsColumnNames = true;
        DataSet result = excelReader.AsDataSet();

        //5. Data Reader methods
        while (excelReader.Read())


        //6. Free resources (IExcelDataReader is IDisposable)

i also added nuget packet IExcelDataReader but nothing seems to be working.Please Help.

7 Months
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Last Post by Reverend Jim

i am using datagridview in which i am importing data and user can make changes so need those changes to be saved and export the saved content to a new excel file saving and everything has been accomplished just not getting through with the exporting.

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