Excel Data Reader - Read Excel files in .NET (Convert Excel data to DataTable using Asp.Net)

Click here to download Excel.dll File 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()) { //excelReader.GetInt32(0); }
//6. Free resources (IExcelDataReader is IDisposable) excelReader.Close();
I hope help to you.