private void Project_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            selected_projectName = ((UserControl_Project)sender).projectName.Content.ToString();
            UserControl_Project project = sender as UserControl_Project;

            win_projectName.Content = $"{"專案名稱"} : {project.projectName.Content}";
            ProjectID = ((UserControl_Project)sender).projectID;
            var q = from x in DBContext.Project
                    select x;

            foreach (var a in q)
            {
                if (selectBoard == null && ((UserControl_Project)sender).projectName.Content.ToString() == a.ProjectName)
                {
                    selectBoard = new Page_board();
                    UserControl_Card1.selectBoard = selectBoard;
                    UserControl_Board.selectBoard = selectBoard;
                    TrelloPage.selectBoard        = selectBoard;
                    selectBoard.Loaded           += selectBoardLoad;
                }
                Project_ContentControl.Content = new Frame()
                {
                    Content = selectBoard
                };
            }
        }
        //撈專案
        private void Page_Loaded(object sender, RoutedEventArgs e)
        {
            wpContent.Children.Clear();
            var q = DBContext.Project;

            int Count = q.Count();

            foreach (var a in q)
            {
                project        = new UserControl_Project();
                project.Width  = 130;
                project.Height = 80;
                project.Margin = new Thickness(50, 10, 8, 10);
                project.projectName.Content = $"{a.ProjectName}";
                project.projectID           = a.ProjectID;
                wpContent.Children.Add(project);
                project.MouseLeftButtonDown += Project_MouseLeftButtonDown;
            }
        }