private void BtnImport2_Click(object sender, EventArgs e) { var db = new AppG2Context(); foreach (Contact ct in listContact) { var result = db.ContactDbset.SingleOrDefault(a => a.phoneContact.Equals(ct.phoneContact)); if (result != null) { result.nameContact = ct.nameContact; result.phoneContact = ct.phoneContact; result.emailContact = ct.emailContact; db.SaveChanges(); } else { var cre = db.ContactDbset.Create(); cre.iDContact = Guid.NewGuid().ToString(); cre.nameContact = ct.nameContact; cre.phoneContact = ct.phoneContact; cre.emailContact = ct.emailContact; cre.userName = userName; db.ContactDbset.Add(cre); db.SaveChanges(); } } this.Hide(); frmContacts frmContacts = new frmContacts(userName); frmContacts.ShowDialog(); this.Close(); }
private void BtnLogin_Click(object sender, EventArgs e) { if (UserService.checkUser(txtUserName.Text, txtPassword.Text) != null) { frmContacts frmContacts = new frmContacts(txtUserName.Text); this.Hide(); frmContacts.ShowDialog(); this.Close(); } else { MessageBox.Show("Sai tên tài khoản hoặc mật khẩu"); } }