C# Read from csv-file

Posted on 2009-03-30
Last Modified: 2012-05-06
I want to read a CSV file and put the data into an ArrayList. I use HtmlInputFile. It works fine when the user browse for the file and select the file. It works fine when I test this local on my machine.
But when I test it at the webserver, the filename refer to (for example) C:\myFile.csv but at the server and not the client.
Is it possible to get the file (stream) or filename in codebehind or do I have to use client script/JavaScript?
I want to read the csv file, validate that it is correct and then save the data into a database.
<INPUT id="inputFileName" type="file" runat="server">


protected HtmlInputFile inputFileName;

private void btnValidateFile_Click(object sender, System.EventArgs e)


  if( inputFileName.PostedFile != null )




      // Output no fileName...



protected void LoadFromFile(string _fileName)


  ArrayList RecordList = new ArrayList();

  string[] recordCollection;

  StreamReader cr = new StreamReader(_fileName)


        while (cr.Peek() >=0)


	  string tempString = cr.ReadLine();

	  recordCollection = tempString.Split(';');






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Question by:Oskowich
  • 2

Author Comment

ID: 24020077
.NET 1.1
Visual Studio 2003

Accepted Solution

Oskowich earned 0 total points
ID: 24021310
ArrayList RecordList = new ArrayList();
if (inputFileName.PostedFile != null)
      string[] recordCollection;
      using (System.IO.StreamReader sr = new System.IO.StreamReader(inputFileName.PostedFile.InputStream))
            while (sr.Peek() >=0)
                  string tempString = sr.ReadLine();
                  recordCollection = tempString.Split(';');

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