private string ComposeListPage(HttpContext context, IDiagnosticInfo info)
{
var builder = new StringBuilder();
foreach (var group in info.ListAll()
.GroupBy(entry => entry.Component, StringComparer.OrdinalIgnoreCase)
.OrderBy(group => group.Key))
{
builder.AppendLine($"<h2>{group.Key}</h2>");
builder.AppendLine("<ul>");
foreach (var entry in group.OrderBy(entry => entry.Name, StringComparer.OrdinalIgnoreCase))
{
builder.AppendLine($"<li><a href=\"{CreateInfoUrl(entry)}\">{entry.Name}</a></li>");
}
builder.AppendLine("</ul>");
builder.AppendLine("<br/>");
}
return(builder.ToString());
}