📄 thedropdownlist.aspx
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<%@ Page Language="VB" ContentType="text/html" ResponseEncoding="gb2312" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>使用下拉列表</title>
</head>
<script runat="server">
Sub SelectedItem(Src As Object, E As EventArgs)
response.write("您指定的日期为 " & lstList.selecteditem.Text & "<br>" & _
"这是一星期的第 " & lstList.selecteditem.Value & " 天")
End Sub
</script>
<body>
<form runat="server">
<asp:DropDownList ID="lstList" runat="server" AutoPostBack="true" OnSelectedIndexChanged="SelectedItem" >
<asp:listitem value = 1>星期日</asp:listitem>
<asp:listitem value = 2>星期一</asp:listitem>
<asp:listitem value = 3>星期二</asp:listitem>
<asp:listitem value = 4>星期三</asp:listitem>
<asp:listitem value = 5>星期四</asp:listitem>
<asp:listitem value = 6>星期五</asp:listitem>
<asp:listitem value = 7>星期六</asp:listitem>
</asp:DropDownList>
</form>
</body>
</html>
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