Asp.net MultiView /check ActiveViewIndex With Javascript Or jQuery
问题 Why does the below alert always show me null? <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Keyup._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></title> <%-- <script src="JQuery/jquery-1.4.1.js" type="text/javascript"></script>--%> <script type="text/javascript"> document.onkeyup =