小编San*_*tel的帖子

我有一个WPF窗口,在那个窗口我有一个网格.

我使用MV-VM模型,我想在代码中动态地将TextBox添加到网格中(在viewmodel中)

我怎样才能访问网格？

我想过滤今天,周和月的数据.

var data = new DashboardViewModel()
           {
               Today = new State() { Download = db.Download.Where(x => x.Time == DateTime.Today).Count(), Visit = db.Visit.Where(x => x.Time == DateTime.Today).Count() },
               Week = new State() { Download = db.Download.Where(x => x.Time.DayOfYear <= Day && x.Time.DayOfYear >= Day - 7).Count(), Visit = db.Visit.Where(x => x.Time.DayOfYear <= Day && x.Time.DayOfYear >= Day - 7).Count() },
               Month = new State() { Download = db.Download.Where(x => x.Time.DayOfYear <= Day && x.Time.DayOfYear >= Day - 30).Count(), Visit = db.Visit.Where(x …