public DataSet ReadExcel(FileInfo _file)
{
DataSet dataSet = null;
using (var stream = File.Open(_file.FullName, FileMode.Open, FileAccess.Read))
{
using (var excelReader = ExcelReaderFactory.CreateReader(stream))
{
string name = _file.Name.Split('.')[0];
dataSet = excelReader.AsDataSet();
if (!ExcelData.ContainsKey(name))
{
ExcelData.Add(name, dataSet);
}
excelReader.Close();
}
stream.Close();
}
return(dataSet);
}