// ログリスト初期化メソッド
private ObservableCollection <OperationLog> GetLogs()
{
DatabaseAccess db = new DatabaseAccess();
var all_Logs = db.Get_AllOperation();
foreach (var log in all_Logs)
{
Logs.Add(log);
}
Logs = new ObservableCollection <OperationLog>(from i in Logs orderby i._date descending select i);
return(Logs);
}
