System.UnauthorizedAccessException was unhandled by user code

```
What steps will reproduce the problem?
1.i am trying to read the excel sheet after saving through
ExcelLibrary.DataSetHelper.CreateDataTable(dirname,filename) method
2.
3.

What is the expected output? What do you see instead?
i want excel data to be loaded into datatable.
i am getting the error that Access to the path is denied

What version of the product are you using? On what operating system?
windows xp

Please provide any additional information below.

```

Original issue reported on code.google.com by `nram....@gmail.com` on 18 Feb 2011 at 11:53

Start at ExcelLibrary.DataSetHelper.CreateDataTable(dirname, filename) and reproduce the reported save-then-read sequence on Windows XP. Trace which path is opened and compare it with the saved Excel file; done means the workbook loads into a DataTable without UnauthorizedAccessException.

Written by the indexing model from the issue text.