日期:2014-05-18 浏览次数:20487 次
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default11.aspx.cs" Inherits="_20120301_Default11" %> <!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>无标题页</title> <script src="../jquery-1.3.2-vsdoc.js" type="text/javascript"></script> <script type="text/javascript"> $(function(){ $("[id$=DropDownList1]").find("option").each(function(){ if($(this).text() != $("[id$=TextBox1]").val()) { return false; } }); }); </script> </head> <body> <form id="form1" runat="server"> <div> <asp:DropDownList ID="DropDownList1" runat="server"> <asp:ListItem Text="aaa" Value="aaa"></asp:ListItem> <asp:ListItem Text="bbb" Value="bbb"></asp:ListItem> <asp:ListItem Text="ccc" Value="ccc"></asp:ListItem> <asp:ListItem Text="ddd" Value="ddd"></asp:ListItem> </asp:DropDownList> <asp:TextBox ID="TextBox1" runat="server" Text="bbb"></asp:TextBox> </div> </form> </body> </html>
------解决方案--------------------
var find=false; var value=$("#text").val(); $("select").children("option").each(function(){ if($(this).val()==value){ find=true; return false; } }); if(find){ //找到 }