Dropdown menu of bootstrap4 from content page is not working in ASP.NET web form

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Hi Everyone

Bootstrap 4 dropdown menu from master page is working when I put in content page it is not working .I added bootstrap styles and Js library in master page, another asp.net controls are working fine.If I try to add again Js library in content page it is working ,then master page dropdown menu not working.

What I have tried:

Master page

<head runat="server">
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title><%: Page.Title %> - My ASP.NET Application</title>

    <asp:PlaceHolder runat="server">
        <%: Scripts.Render("~/bundles/modernizr") %>
    </asp:PlaceHolder>

    <webopt:BundleReference runat="server" Path="~/Content/css" />
    <link href="~/favicon.ico" rel="shortcut icon" type="image/x-icon" />
    <link href="Content/bootstrap.min.css" rel="stylesheet" />
    <script src="Scripts/jquery-3.3.1.slim.js"></script>
    <script src="Scripts/jquery-3.3.1.min.js"></script>
    <script src="Scripts/jquery-3.3.1.slim.min.js"></script>
    <script src="Scripts/popper.min.js"></script>
    <script src="Scripts/bootstrap.min.js"></script>
    <script src="Scripts/bootstrap.validate.js"></script>


Content Page

<pre><asp:Content ID="Content1" ContentPlaceHolderID="MainContent" runat="server">
    <div class="container" >
           
<div class="dropdown">
  <button class="btn btn-secondary dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
    Dropdown button
  </button>
  <div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
    <a class="dropdown-item" href="#">Action</a>
    <a class="dropdown-item" href="#">Another action</a>
    <a class="dropdown-item" href="#">Something else here</a>
  </div>
</div>

Posted 14-Jun-20 0:50am

saifulhaque

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