Read Data Of A CSV File Without Saving It In C#

We can read the data of a CSV file without saving it onto a server. Given below are the steps:

1. Create an aspx page and paste the following code into it.
   

   <asp:FileUpload ID="txt_Upload" runat="server" />
   <asp:Button ID="btnsubmit" Text="Submit" runat="server" OnClick="btnsubmitclick"/>

2. In the cs file, paste the below method.
   

   protected void btnsubmitclick(object sender, EventArgs e)
   {
       System.IO.StreamReader myReader = new System.IO.StreamReader(txt_Upload.PostedFile.InputStream);
       string output = myReader.ReadToEnd();
       Response.Write(output);
   }