public IEnumerable <string> CollectCondition(string valname = null)
{
if (null != Parent)
{
foreach (var c in Parent.CollectCondition())
{
yield return(c);
}
}
if (null != RouteKey && !string.IsNullOrWhiteSpace(RouteKey.Condition))
{
yield return(this.RouteKey.Condition);
}
if (!string.IsNullOrWhiteSpace(valname))
{
var val = Collectors.First(_ => _.Key == valname);
if (!string.IsNullOrWhiteSpace(val.Condition))
{
yield return(val.Condition);
}
}
}
