CheckBox问题！

ly120858 2012-09-21 09:03:17

比如有两个下拉框A和B，A选择了值，但是我点了一个叫CheckBox选项A下拉框和B下拉框的值就一样了（值是读取数据库，也是存入数据库的），然后B下拉框就变成只读的了。

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sunyz823 2012-09-21

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//====================页面代码=============================================
<script type="text/javascript" src="../JS/jquery-1.3.2-vsdoc2.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#cb_ck").click(function() {
alert("怎么可能值会变！");
});
})
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DropDownList ID="ddlone" runat="server" Width="150px"></asp:DropDownList>
<asp:DropDownList ID="ddltwo" runat="server" Width="150px"></asp:DropDownList>
<asp:CheckBox ID="cb_ck" runat="server" Text="是否选中" />
</div>
</form>
</body>
//=============================后台代码=============================
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Banding();
}
}

public void Banding()
{
//读取xml文件，并读到DataSet中
string str_xml = Server.MapPath("execrise1.xml");
DataSet ds = new DataSet();
ds.ReadXml(str_xml);
//第一个下拉框绑定
ddlone.DataSource = ds;
ddlone.DataTextField = "languageTextField";
ddlone.DataValueField = "languageValueField";
ddlone.DataBind();
//第二个下拉框绑定
ddltwo.DataSource = ds;
ddltwo.DataTextField = "languageTextField";
ddltwo.DataValueField = "languageValueField";
ddltwo.DataBind();
}
//=======================Xml文件==============================
<?xml version="1.0" encoding="utf-8" ?>
<languageTypes>
<language>
<languageValueField>1</languageValueField>
<languageTextField>苹果</languageTextField>
<name>Apple</name>
</language>
<language>
<languageValueField>2</languageValueField>
<languageTextField>梨</languageTextField>
<name>Pear</name>
</language>
<language>
<languageValueField>3</languageValueField>
<languageTextField>橘子</languageTextField>
<name>Orange</name>
</language>
<language>
<languageValueField>4</languageValueField>
<languageTextField>西瓜</languageTextField>
<name>Watermelon</name>
</language>
<language>
<languageValueField>5</languageValueField>
<languageTextField>提子</languageTextField>
<name>Grape</name>
</language>
</languageTypes>

sunyz823 2012-09-21