TexBox Control:Control 'TextBox1' of type 'TextBox' must be placed inside a form tag with runat=server.

 I'm getting ERROR for the following code is, Option Strict Off
Option Explicit On
 
Imports Microsoft.VisualBasic
Imports System
Imports System.Data
Imports System.Data.OleDb
Imports System.Collections
Imports System.Collections.Specialized
Imports System.Configuration
Imports System.Text
Imports System.Text.RegularExpressions
Imports System.Web
Imports System.Web.Caching
Imports System.Web.Profile
Imports System.Web.Security
Imports System.Web.SessionState
Imports System.Web.UI
Imports System.Web.UI.HtmlControls
Imports System.Web.UI.WebControls
Imports System.Web.UI.WebControls.WebParts
 
Partial Class Checks
    Inherits System.Web.UI.Page
 
 
    Private Sub Button1_Click(ByVal sender As System.Obje ...