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I have been pounding my head on this issue for several days and could use some help, maybe a fresh set of eyes would help.

I have Windows Server 2012, IIS 8.0 and ASP.NET 4.5. I am new to both IIS and ASP.NET so please be patient with me. The website I am trying to build allows the user to upload files which will first be checked to make sure they are valid and then will be placed on a folder on the web server.

I tried having the Javascript validate the inputs first before submitting the form to the server. However, nothing is uploaded so I decided to do one step at a time and just do a simple upload (without Javascript validation, for now).

Here is currently how the files stand:

upload_page.aspx

<html> ... <script language="Javascript"> function validate() { var filter = <allowed file extensions>; var file1 = document.getElementById("uploadfile1").value; //do the checks if(filter.test(file1)) { returnval = true; } else { returnval = false; } return returnval; } </script> ... <body> <form method="post" runat="server" name="upload" enctype="multipart/form-data"> <asp:FileUpload ID="uploadfile1" runat="server" /> <asp:Button ID="btnUpload" runat="server" Text="Upload" onClientClick="btnUpload_Click" /> <asp:Button ID="btnReset" runat="server" Text="Reset" /> </form> </body> </html>

upload_page.aspx.cs

protected void btnUpload_Click(object sender, EventArgs e) { if(this.uploadfile1.HasFile) { this.uploadfile1.SaveAs("C:\\inetpub\\wwwroot\\uploaded_files\\" + this.uploadfile1.FileName); } }

If anyone can tell me what I'm doing wrong it would be greatly appreciated! Thanks.

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3
  • Where's the action for the form? Commented Nov 10, 2014 at 17:29
  • Actually, you have nothing in your form to submit it. Commented Nov 10, 2014 at 17:30
  • Well, I am confused because I had taken it out due to the answers in questions like here and here. In any case, I put it back in as action="upload_page.aspx" and that didn't work either. Commented Nov 10, 2014 at 17:38

1 Answer 1

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There are some incorrect thing in code, like using onClientClick for server button click event . You can use PostedFile in this.uploadfile1.save...

Correct Complete code

ASPX Part

<form id="form1" runat="server" enctype="multipart/form-data" method="post" action="upload_page.aspx"> <div> <asp:FileUpload ID="uploadfile1" runat="server" /> <asp:Button ID="btnUpload" runat="server" Text="Upload" OnClick="btnUpload_Click" /> <asp:Button ID="btnReset" runat="server" Text="Reset" /> </div> </form>

Code behind

protected void btnUpload_Click(object sender, EventArgs e) { if (uploadfile1.HasFile) { string rootpath = @"D:\webfile\"; uploadfile1.PostedFile.SaveAs(rootpath + uploadfile1.PostedFile.FileName); } }

Replace rootpath with required value.

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3 Comments

Thank you for your answer. I made your changes but I do get an error, though. 'btnUpload_Click' is not a member of 'ASP_upload_page_aspx'
@noblerare, make sure you have single copy of btnUpload_Click , and clean, rebuild your solution, just to make sure , there is no compilation error.
I checked and double-checked everything but just couldn't get the .cs file to work. I ended up just putting the relevant code within <script> tags of the .aspx file and it worked like a charm.

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