<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Test.aspx.cs" Inherits="Test" %>
<!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>
</head>
<body>
<form runat="server">
<div>
<asp:DropDownList runat="server">
</asp:DropDownList>
<asp:DropDownList runat="server">
</asp:DropDownList>
<asp:DropDownList runat="server">
</asp:DropDownList>
<asp:DropDownList runat="server">
</asp:DropDownList>
</div>
</form>
</body>
</html>
复制代码 代码如下: