<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"><title>Untitled Page</title></head><script language=javascript type="text/javascript">function cMC(vmc) {//var mc;mc = vmc.value; if (mc.length == 10) {//if (mc == '1111111111' || mc == '0000000000' || mc == '2222222222' || mc == '3333333333' || mc == '4444444444' || mc == '5555555555' || mc == '6666666666' || mc == '7777777777' || mc == '8888888888' || mc == '9999999999') {//alert('dont right');vmc.focus(); return false; }//c = parseInt(mc.charAt(9)); n = parseInt(mc.charAt(0)) * 10 +parseInt(mc.charAt(1)) * 9 +parseInt(mc.charAt(2)) * 8 +parseInt(mc.charAt(3)) * 7 +parseInt(mc.charAt(4)) * 6 + parseInt(mc.charAt(5)) * 5 +parseInt(mc.charAt(6)) * 4 +parseInt(mc.charAt(7)) * 3 + parseInt(mc.charAt(8)) * 2;r = n - parseInt(n / 11) * 11;if ((r == 0 && r == c) || (r == 1 && c == 1) || (r > 1 && c == 11 - r)) {//return true; }//else {//alert('dont right'); vmc.focus(); return false; }//}//else {//alert('please insert 10 figure');vmc.focus();return false; }//}//</script><form id="form1" runat="server"><body><div><asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><asp:Button ID="Button1" runat="server" Text="Button" onclick=" cMC(document.getElementById('<%= TextBox1.ClientID %>'))" Height="26px" /></div></form></body></html>