日期:2014-05-16  浏览次数:20491 次

高手帮看看js代码为什么不能实现,谢了!
<%@ Page Language="c#" Inherits="EasyExam.RubricManag.NewTest" CodeFile="NewTest.aspx.cs" %>
<html>
<head>
    <title></title>
    <meta content="Microsoft FrontPage 6.0" name="GENERATOR">
    <meta content="C#" name="CODE_LANGUAGE">
    <meta content="JavaScript" name="vs_defaultClientScript">
    <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
    <script language="javascript">
        function TestTypeNameChange() {
            var i;
            var strTestTypeName = Form1.DDLTestTypeName.value;
            document.all("OptionContent").style.display = "none";
            document.all("PlSelect").style.display = "none";
            document.all("PlJudge").style.display = "none";
            document.all("PlOther").style.display = "none";
            document.all("PlType").style.display = "none";
            document.all("PlOperate").style.display = "none";
            if (strTestTypeName.indexOf("单选类") > 0) {
                document.all("OptionContent").style.display = "block";
                document.all("LabStandardAnswer").innerHTML = "试题选项:";
                document.all("PlSelect").style.display = "block";
                for (i = 1; i <= 6; i++) {
                    document.all("PlOneSelect" + i).style.display = "block";
                    document.all("PlMultiSelect" + i).style.display = "none";
                }
                document.all("txtTestMark").value = "2";
            }
            if (strTestTypeName.indexOf("多选类") > 0) {
                document.all("OptionContent").style.display = "block";
                document.all("LabStandardAnswer").innerHTML = "试题选项:";