<li class="nav-item dropdown"> <a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" data-toggle="collapse" aria-haspopup="true" aria-expanded="false"> Manage </a> <div class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink"> <a class="dropdown-item" asp-controller="Administration" asp-action="ListUsers"> Users</a> <a class="dropdown-item" asp-controller="Administration" asp-action="ListRoles"> Roles</a> </div> </li>
我嘗試過 Opera、Chrome、Brave、Explorer...
首先,請確保您使用的是 Bootstrap 4.x 版。
然後更改data-toggle="collapse"
為data-toggle="dropdown"
如下所示:
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> Manage </a>
<div class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
<a class="dropdown-item" asp-controller="Administration" asp-action="ListUsers"> Users</a>
<a class="dropdown-item" asp-controller="Administration" asp-action="ListRoles"> Roles</a>
</div>
</li>
結果:
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