public static JosefPhilipBokHandelContext GetInstance() { if (dbInstance == null) { dbInstance = new JosefPhilipBokHandelContext(); } return(dbInstance); }
public Form2(Form1 parentForm) { InitializeComponent(); this.parentForm = parentForm; ButtonSpara.Enabled = false; TextBoxAntal.Enabled = false; ComboBoxButik.Enabled = false; db = JosefPhilipBokHandelContext.GetInstance(); bookList = db.Böckers.ToList(); foreach (var item in bookList) { ListBoxBöckerTotal.Items.Add(item.Titel); } var storeList = db.Butikers.ToList(); foreach (var item in storeList) { ComboBoxButik.Items.Add(item.Butiknamn); } }
public Form1() { InitializeComponent(); BtnRemove.Enabled = false; BtnSave.Enabled = false; db = JosefPhilipBokHandelContext.GetInstance(); if (db.Database.CanConnect()) { var storeList = db.Butikers.ToList(); foreach (var item in storeList) { ListBox.Items.Add(item.Butiknamn); } } else { MessageBox.Show("Misslyckades med att få åtkomst till servern!", "Misslyckande"); } }