public static MvcHtmlString Summary(TempDataDictionary tempDictionary)
{
var errors = tempDictionary.GetErrors();
var warnings = tempDictionary.GetWarnings();
var alerts = tempDictionary.GetAlerts();
var anyErrors = errors != null;
var anyWarnings = warnings != null;
var anyAlerts = alerts != null;
if (!anyErrors && !anyWarnings && !anyAlerts)
{
// exit quickly
return null;
}
var sb = new StringBuilder();
sb.Append("<ul class='messageSummary'>");
if (anyErrors)
{
foreach (var error in errors)
{
sb.AppendFormat("<li class='errorMessage'>{0}</li>", error);
}
}
if (anyWarnings)
{
foreach (var warning in warnings)
{
sb.AppendFormat("<li class='warningMessage'>{0}</li>", warning);
}
}
if (anyAlerts)
{
foreach (var alert in alerts)
{
sb.AppendFormat("<li class='alertMessage'>{0}</li>", alert);
}
}
sb.Append("</ul>");
return MvcHtmlString.Create(sb.ToString());
}