private void BtnAddActivityClick(object sender, RoutedEventArgs e)
{
ActivityLogService als=new ActivityLogService();
var item = this.CbActivityList.SelectedItem as Activity;
if (item != null)
{
ActivityLog log=new ActivityLog();
if(!dpDate.SelectedDate.HasValue)
{
MessageBox.Show("请选择日期！");
return;
}
log.Date = dpDate.SelectedDate.Value;
var aa = als.GetAll().Where(a => a.ActivityId == item.Id)
.OrderByDescending(a => a.Date)
.FirstOrDefault();
if(aa==null)
{
log.Distance = 0;
log.LastDate = DateTime.Now;
}
else
{
log.Distance = (DateTime.Now-aa.Date).Days;
log.LastDate = aa.Date;
}
log.ActivityId = item.Id;
new ActivityLogService().Add(log);
}
MessageBox.Show("添加成功！");
}
