[Finde den Fehler] Datensatz überprüfen, ob existiert

else if (isset($member_to_edit))
	{
	include("../../config/mysql_connect.php");
	$getmembertoedit = "SELECT * FROM rage_members WHERE name = '$membertoedit'";
	$query_membertoedit = mysql_query($getmembertoedit);
	while ($row = mysql_fetch_array($query_membertoedit))
		{
		$check_membertoedit = $row['name'];
		}
	if ($membertoedit != $check_membertoedit)
		{
		echo	"<table>";
		echo	"<tr>";
		echo		"<td class=\"headline\">";
		echo			"Member not found";
		echo		"</td>";
		echo	"</tr>";
		echo	"<tr>";
		echo		"<td class=\"content\" align=\"center\">";
		echo			"You are now taken back to the previous site
";
		echo			"Or click <a href=\"index.php?section=edit_member\">here</a>, if you do not wish to wait.";
		echo		"</td>";
		echo	"</tr>";
		echo	"</table>";
		}
	}

else if (isset($membertoedit))
		{
		include("../config/mysql_connect.php");
		$sql = "SELECT * FROM rage_members WHERE name = '$membertoedit'";
		$query = mysql_query($sql);
		$get = mysql_fetch_array($query);
			if ($membertoedit != $get['name'])
				{
				echo	"<table>";
				echo	"<tr>";
				echo		"<td class=\"headline\">";
				echo			"Member not found";
				echo		"</td>";
				echo	"</tr>";
				echo	"<tr>";
				echo		"<td class=\"content\" align=\"center\">";
				echo			"You are now taken back to the previous site
";
				echo			"Or click <a href=\"index.php?section=edit_member\">here</a>, if you do not wish to wait.";
				header("refresh:3;url=index.php?section=edit_member");
				echo		"</td>";
				echo	"</tr>";
				echo	"</table>";
				}
		}