Display error when fileupload limit is exceeded

Question

In my page when I upload a file of size more than 4 MB it shows that the connection was reset. The reason is because the file upload limit is less than 4 MB. There is a solution to this on link

But, instead I want to show the error on the same page and not redirect. How can I do this?

refer http://stackoverflow.com/questions/567273/where-do-i-catch-and-handle-maxallowedcontentlength-exceeded-in-iis7 — Romil Kumar Jain, Jun 01 '12 at 09:56

TheGeekYouNeed · Answer 1 · 2012-06-29T11:49:41.227

2

You should read the file size and display errors (or not) before uploading (Saving the file)

protected void UploadButton_Click(object sender, EventArgs e)
{

    if(FileUpload1.HasFile)
    {
        if(FileUpload1.PostedFile.ContentLength > 4096)
        {
            ErrorLabel.Text = "The file you are trying to upload exceeds the allowed limit.";
        }
        else
        {
            string SavePath = "TheLocationTheFilesSaves";
            FileUpload1.SaveAs(SavePath + FileUpload1.FileName);
            // Do stuff
        }
    }

}

edited Jun 29 '12 at 11:49

answered Jun 01 '12 at 12:21

TheGeekYouNeed

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Doesn't the error get thrown even when trying to read the size of a file that is over the limit? – mccrager Jun 01 '12 at 12:31
@mccrager : i am looking for a way to display an error message to the user that the file can't be uploaded. – user1509 Jun 29 '12 at 05:16
Not until you try to save it, @mccrager. – TheGeekYouNeed Jun 29 '12 at 11:43
@TheGeekYouNeed can this validation be done through jquery or javascript? If you have any idea. – user1509 Jun 29 '12 at 12:29
The File API with HTML 5 is able to, I believe – TheGeekYouNeed Jun 29 '12 at 18:55

Display error when fileupload limit is exceeded

1 Answers1