C# List.Sort() 出现报错无法排序，原因是 IComparer.Compare() 方法返回不一致的结果。一个值与本身比较不相等，或者一个值与另外一个值重复比较生成不同的结果 ...

I have a list box that gets populated by a stored procedure from the database. The data represents attendance statuses for a course, i.e. Attended, Absent, Excused, etc. The user can add/delete/edit ...

I just can't figure out what's going on here. I bet it's something stupid and you're all gonna laugh at me, but here goes.<BR><BR>I'm trying to do a simple ...