private List <Planets> GetPlanetData() { using (var db = new PlanetsContext()) { var planets = db.Planets.ToList(); return(planets); } }
public void dataGridView1_CellEndEdit(object sender, DataGridViewCellEventArgs e) { using (PlanetsContext db = new PlanetsContext()) { db.SaveChanges(); MessageBox.Show("Измененo"); } }
public DBEdit() { InitializeComponent(); db = new PlanetsContext(); db.Planets.Load(); dataGridView1.DataSource = db.Planets.Local.ToBindingList(); }
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(); } } }