Allowing The Content Page To Access The Master Page Controls?

I'm trying to make my masterpage work with my content page, allowing the content page to access the master page controls. I get the error:

Parser Error Message: The 'mastertype' directive must have exactly one attribute: TypeName or VirtualPath

This is on the lines:<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="viewProduct.aspx.cs" Inherits="AlphaPackSite.viewProduct"
MasterPageFile="MasterPages/Main.master"
title="Hi there!" [code]...

I'm a bit confused with namespaces and such so may have got them wrong, but all pages are in the same namespace now I beleive.

Update,When I turn it to:

<%@ MasterType VirtualPath="MasterPages/Main.master" %>

I keep getting the error: Compiler Error Message: CS0030: Cannot convert type 'AlphaPackSite.Main' to 'ASP.masterpages_main_master'

Source Error:

Line 147: public new ASP.masterpages_main_master Master {
Line 148: get {
Line 149: return ((ASP.masterpages_main_master)(base.Master));
Line 150: }
Line 151: }