Could not load type '<type name>' - Asp.Net

[Hale]

I have an WebApp that i'm developing I've finished it and it works locally however when I upload it I getCould not load type 'MyApp.GenerateData'my asp page contains this\[code\]<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="GenerateData.aspx.cs" Inherits="MyApp.GenerateData" %>\[/code\]My GenerateData.aspx.cs code :\[code\]namespace MyApp{ public partial class GenerateData : PageEstateAdministrator { protected void Page_Load(object sender, EventArgs e) { // DO WORK } }}\[/code\]what am I doing wrong?