Why does file upload not work without the enctype property?

Question

Most of time, the source of file uploading errors are that we forget to add the enctype property in the HTML form.

Normally, we do not need to add the <

Answer 1

You may want to look at the comments here: http://www.velocityreviews.com/forums/t137597-html-file-upload-using-enctype-multipart-form-data-in-form.html

Short answer is that the enctype tells the browser how to send the file. It won't be able to send the file without the correct encoding type.