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hello
I want that if dropdownlist value is "new group" --> enable txtbox..

**why debugger not work in JavaScript?

What I have tried:

<asp:dropdownlist id="DDlGroups" runat="server" onchange="listBoxSelectedIndexChanged()">


<asp:textbox id="txtNewGroup" runat="server">

<pre>    <script>
        function listBoxSelectedIndexChanged() {
            var ListBox1Id =  '<%= DDlGroups.ClientID %>';
            var TextBox1Id = '<%=txtNewGroup.ClientID %>';
            if (document.getElementById(ListBox1Id).value == "new group") {
                document.getElementById(TextBox1Id).disabled = false;
            }

        }

    </script>
Posted
Updated 5 days ago

1 solution

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Solution 1

Please, ensure that the AutoEventWireup property value is "true" in the page directive

ex: <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm20.aspx.cs" Inherits="MyProject.WebForms" %>

Try to pass this as parameter when you call the javascript method in your asp:DropDownList
ex: <asp:dropdownlist id="DDlGroups" runat="server" enabled="true" onchange="listBoxSelectedIndexChanged(this)">
   

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