I can't make upload file system works

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PHP

in my editprofilepicture.php
I have:

<?php
if(isset($_POST['upload'])){
    var_dump($_FILES['userfile']);echo"<br/><br/>";
	if($member->ChangeProfilePicture($_FILES['userfile'],$sessionID)){
            	header("ViewProfile.php?id=$id");
	}
}

echo "
		<form enctype=\"multitype/form-data\" action='#' method='post'>
		<table>
				<tr><td><input name='userfile' type='file'  id='uploadFile'/>
			</tr>
			
			<tr><td><input type='submit' name='upload' value='Edit Profile pictures'/></td></tr>
		</table>
		</form>";
	

?>

The error i got:

Notice: Undefined index: userfile in C:\xampp\htdocs\Classes\EditProfilePicture.php on line 22
NULL
Notice: Undefined index: userfile in C:\xampp\htdocs\Classes\EditProfilePicture.php on line 23

Why is the user file not recognized?