C# 从打开另一个表单（<；a>；

我在Visual Studio 2017有一个项目，其中包含这段代码。我只是在我的工作电脑上重新制作了它（运行于2015年）。中间的两个链接不起作用有什么原因吗

代码在IDE中甚至不会变成紫色。顶部屏幕截图来自我的笔记本电脑，底部屏幕截图来自我的工作电脑（问题所在）

AVAS的竞争优势
公交时刻表
巴士站历史

也许你失踪了

检查

<div class="col-sm-6">
    <div class="well well-sm" style="background-color:lightcyan">
        <h4>AVAS for Opperations</h4>
        <div class="list-group">

            <a href="https://go.microsoft.com/fwlink/?LinkID=398939" class="list-group-item" data-toggle="tooltip" title="(Make charts of buses passing timepoints!)">AVAS Time-Space Chart <img src="https://cdn1.iconfinder.com/data/icons/education-set-4/512/information-512.png" class="w3-round" alt="Denmark" style="width:3%"></a>
            <a href="https://go.microsoft.com/fwlink/?LinkID=398939" class="list-group-item" data-toggle="tooltip" title="(Make a list of Route and Logon events from a bus, run or O/B)">History by Bus/Run/Operator <img src="https://cdn1.iconfinder.com/data/icons/education-set-4/512/information-512.png" class="w3-round" alt="Denmark" style="width:3%"></a>
            <a asp-area="" asp-controller="Home" asp-action="Legal" class="list-group-item" data-toggle="tooltip" title="(Make a list of stops and timepoints for a bus for an hour)">Bus-Hour History <img src="https://cdn1.iconfinder.com/data/icons/education-set-4/512/information-512.png" class="w3-round" alt="Denmark" style="width:3%"></a>
            <a asp-area="" asp-controller="Home" asp-action="Legal" class="list-group-item" data-toggle="tooltip" title="(Make a list of buses passing a selected stop)">Bus-Stop History <img src="https://cdn1.iconfinder.com/data/icons/education-set-4/512/information-512.png" class="w3-round" alt="Denmark" style="width:3%"></a>


        </div>
    </div>
</div>