JS获取DropDownList的value值与text值的示例代码

  相关JS:

  

复制代码 代码如下:

  <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>

  调用:

  

复制代码 代码如下:

  <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