private void TbxPassword_TextChanged(object sender, EventArgs e) { if (string.IsNullOrWhiteSpace(tbxPassword.Text.Trim())) { return; } using (var context = new MyBookDB()) { users = context.User.ToList(); if (users.Count == 0) { if (users.Count == 0) { User user = new User(); user.IsMainAccount = true; user.PassWord = "******"; context.User.Add(user); context.SaveChanges(); MessageBox.Show("这是密码:laolixiangni;不能让别人看到咯!"); New(user); } } else { var currentuser = users.FirstOrDefault(t => t.PassWord == tbxPassword.Text.Trim()); if (currentuser != null) { New(currentuser); } } } }
private void BtnSetting_Click(object sender, EventArgs e) { using (var context = new MyBookDB()) { var res = context.TimeSetting.ToList().OrderByDescending(t => t.DatetimeSetting).FirstOrDefault(); TimeSetting settings = new TimeSetting(); settings.DatetimeSetting = DateTime.Now; settings.Time = this.HowLongChangeWallPaper.Value; context.TimeSetting.Remove(res); context.TimeSetting.Add(settings); context.SaveChanges(); } }
public void SetTime() { using (var context = new MyBookDB()) { var timesettingd = context.TimeSetting.ToList().OrderByDescending(t => t.DatetimeSetting); if (timesettingd.Count() == 0) { TimeSetting settings = new TimeSetting(); settings.DatetimeSetting = DateTime.Now; settings.Time = this.HowLongChangeWallPaper.Value; context.TimeSetting.Add(settings); context.SaveChanges(); } else { var firsettime = timesettingd.FirstOrDefault(); this.HowLongChangeWallPaper.Value = firsettime.Time; } } }