Uploading a file using fileupload control in asp.net

Question

I want to upload a file using FileUpload Control in asp.net and i'm using the following code to do that:

string filename1 = System.IO.Path.GetFileName(FileUploadControl.FileName);
FileUploadControl.SaveAs("C:\\Users\\admin\\Desktop\\ExperimentForFolder\\" + filename1);

i also tried

FileUploadControl.SaveAs(@"C:\Users\admin\Desktop\ExperimentForFolder\" + filename1);

But it is still freaking out. I don't understand what is wrong. Can you please help me.

Thanks in anticipation

That error might mean you try to upload big file.. try small simple text file of few Kilobytes. — user447356
– user447356, Commented May 1, 2011 at 13:59
@Shadow you are right !! How can i then upload large files ? — Sreedhar Danturthi
– Sreedhar Danturthi, Commented May 1, 2011 at 14:07
What IIS you have? Anyway, you need to change the configuration files: stackoverflow.com/questions/4971071/… — user447356
– user447356, Commented May 1, 2011 at 14:11

Off The Gold · Accepted Answer · 2016-02-19 16:28:49Z

4

Why do you need to save the file to your machine's Desktop?

Your ultimate option should be to use your Application Folder. It can be done like...

FileUpload1.SaveAs(Server.MapPath("~/AppFolderName/" + FileName));

edited Feb 19, 2016 at 16:28

Off The Gold

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answered May 1, 2011 at 13:54

Muhammad Akhtar

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6 Comments

Sreedhar Danturthi Over a year ago

@Muhammad how can i get the application folder physical path? I understand using ~ (tilde) symbol would take you to the application root folder, but how can i access the file path (i mean full physical path to the file) again so that i allow users to download the component which was uploaded by me ?

Muhammad Akhtar Over a year ago

Server.MapPath function is what you need. try to explore this method workoing.

Sreedhar Danturthi Over a year ago

@Muhammad how can i read the contents of the uploaded file and store in some string variable ? How can i do that ?

Muhammad Akhtar Over a year ago

What do you mean by Contents ? I not full understand your question.

Muhammad Akhtar Over a year ago

yes, First of you have to put some app folder, then you can read the file using System.IO.File.Read(AppFolderPath);

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user447356 · Accepted Answer · 2011-05-01 13:53:55Z

1

You need permissions over the place you store the file into... don't store in the server desktop.

Try this for start:

FileUploadControl.SaveAs(Server.MapPath(filename1));

This will store the file in the same place as your .aspx file, if it works you can then create separate folder there then change the code to:

FileUploadControl.SaveAs(Server.MapPath("ExperimentForFolder/" + filename1));

answered May 1, 2011 at 13:53

user447356

2 Comments

Sreedhar Danturthi Over a year ago

How can i get the application folder full physical path ?

user447356 Over a year ago

Server.MapPath(filename1) will return full physical path.

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