C# Reading Excel File without saving on server

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I am using ExcelReaderFactory for reading excel file without saving on server, When I run the code with VS(ie Ctrl+F5) it works fine, but when I publish it on server(or even local IIS) it gives error

C#

Access to the Path 'path of my file' is denied

Below is my code

C#

public void UploadFile(HttpPostedFile file)
{
FileStream stream = File.Open(file.FileName, FileMode.Open, FileAccess.Read);
 IExcelDataReader excel= ExcelReaderFactory.CreateBinaryReader(stream);  

}

Can anyone suggest some alternate code for implementing this?

Posted 3-Nov-13 19:38pm

Syed Salman Raza Zaidi

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ZurdoDev · Answer 1 · 2013-11-04T05:37:00

Solution 2

The error is clear, it's a permissions issue. This means you need to look at the identity of the application pool in IIS that is hosting your site and then grant write permissions to that user to the directory where you are trying to save the files.

Posted 4-Nov-13 5:37am

ZurdoDev

skantg · Answer 2 · 2013-11-06T03:17:00

In normal scenario, web server should not have access on client's file structure.
just try to visualize the implications, if this security measure is not in place.
Any website you may open could read all files on your machine.

the best possible approach (if you don't want to store the file on server) is to save the file on webserver, read it and then delete it.