<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script type="text/javascript">
function getValue() {
var ddl = document.getElementById("<%=DropDownList1.ClientID%>");
var ddlValue = ddl.options[ddl.selectedIndex].value;
alert(ddlValue);
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DropDownList ID="DropDownList1" runat="server">
<asp:ListItem Value="1">IT</asp:ListItem>
<asp:ListItem Value="2">Accounts</asp:ListItem>
<asp:ListItem Value="3">Operations</asp:ListItem>
</asp:DropDownList>
<br />
<asp:Button ID="Button1" runat="server" Text="Get DropDown Selected Value" OnClientClick="return getValue();" />
</div>
</form>
</body>
</html>
Result:
<head runat="server">
<title></title>
<script type="text/javascript">
function getValue() {
var ddl = document.getElementById("<%=DropDownList1.ClientID%>");
var ddlValue = ddl.options[ddl.selectedIndex].value;
alert(ddlValue);
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DropDownList ID="DropDownList1" runat="server">
<asp:ListItem Value="1">IT</asp:ListItem>
<asp:ListItem Value="2">Accounts</asp:ListItem>
<asp:ListItem Value="3">Operations</asp:ListItem>
</asp:DropDownList>
<br />
<asp:Button ID="Button1" runat="server" Text="Get DropDown Selected Value" OnClientClick="return getValue();" />
</div>
</form>
</body>
</html>
Result:
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