JS獲取DropDownList的value值與text值的示例代碼

相關JS：

複製代碼代碼如下:

<script type="text/javascript" language="javascript">

function SearchChange()

{

var ddl = document.getElementById("DropDownList1")

var index = ddl.selectedIndex;

var Value = ddl.options[index].value;

var Text = ddl.options[index].text;

alert(Value);

}

</script>

調用：

複製代碼代碼如下:

<asp:DropDownList ID="DropDownList1" runat="server" onchange="SearchChange();">

<asp:ListItem Value="0">111</asp:ListItem>

<asp:ListItem Value="1">222</asp:ListItem>

<asp:ListItem Value="2">333</asp:ListItem>

</asp:DropDownList