Пример #1
0
 private List <Planets> GetPlanetData()
 {
     using (var db = new PlanetsContext())
     {
         var planets = db.Planets.ToList();
         return(planets);
     }
 }
Пример #2
0
 public void dataGridView1_CellEndEdit(object sender, DataGridViewCellEventArgs e)
 {
     using (PlanetsContext db = new PlanetsContext())
     {
         db.SaveChanges();
         MessageBox.Show("Измененo");
     }
 }
Пример #3
0
        public DBEdit()
        {
            InitializeComponent();

            db = new PlanetsContext();
            db.Planets.Load();

            dataGridView1.DataSource = db.Planets.Local.ToBindingList();
        }
Пример #4
0
        public void AddIt(object sender, EventArgs e)
        {
            Planets Mercyriy = new Planets()
            {
                Id   = 1,
                Name = "Mercyriy",
                R    = 24397000,
                M    = 3.33 * Pow(10.0, 23.0)
            };
            Planets Venus = new Planets
            {
                Id   = 2,
                Name = "Venus",
                R    = 6051000,
                M    = 4.86 * Pow(10.0, 24)
            };
            Planets Earth = new Planets
            {
                Id   = 3,
                Name = "Ertch",
                R    = 6371000,
                M    = 5.972 * Pow(10.0, 24)
            };
            Planets Mars = new Planets
            {
                Id   = 4,
                Name = "Mars",
                R    = 3396000,
                M    = 6.417 * Pow(10.0, 23.0)
            };
            Planets Upiter = new Planets
            {
                Id   = 5,
                Name = "Upiter",
                R    = 69911000,
                M    = 1.89 * Pow(10, 27)
            };
            Planets Saturn = new Planets
            {
                Id   = 6,
                Name = "Saturn",
                R    = 58388000,
                M    = 5.68 * Pow(10, 26)
            };
            Planets Uran = new Planets
            {
                Id   = 7,
                Name = "Uran",
                R    = 25559000,
                M    = 8.681 * Pow(10, 26)
            };
            Planets Neptun = new Planets
            {
                Id   = 8,
                Name = "Neptun",
                R    = 24662000,
                M    = 1.024 * Pow(10, 26)
            };

            using (PlanetsContext save = new PlanetsContext())
            {
                doit = new Planets[] { Mercyriy, Venus, Earth, Mars, Upiter, Saturn, Uran, Neptun };
                if (save.Planets.ToList().Count < 8)
                {
                    save.Planets.AddRange(doit);
                    save.SaveChanges();
                }
            }
        }