public void RemoveFiles()
{
foreach (var s in SelectedSubmissions.ToList())
{
Submissions.Remove(s);
}
}
/// <summary>
/// 删除给定的用户提交记录实体数据。
/// </summary>
/// <param name="entity">要删除的用户提交记录实体数据。</param>
/// <exception cref="ArgumentNullException"/>
public void RemoveSubmissionEntity(SubmissionEntity entity)
{
if (entity == null)
{
throw new ArgumentNullException(nameof(entity));
}
Submissions.Remove(entity);
SaveChanges();
}