示例#1
0
        private void button1_Click(object sender, EventArgs e)
        {
            PlayerForm plForm = new PlayerForm();

            // из команд в бд формируем список
            List <Team> teams = db.Teams.ToList();

            plForm.comboBox2.DataSource    = teams;
            plForm.comboBox2.ValueMember   = "Id";
            plForm.comboBox2.DisplayMember = "Name";

            DialogResult result = plForm.ShowDialog(this);

            if (result == DialogResult.Cancel)
            {
                return;
            }

            Player player = new Player();

            player.Age  = (int)plForm.numericUpDown1.Value;
            player.Name = plForm.textBox1.Text;
            //player.Position = plForm.comboBox1.SelectedItem.ToString();
            player.Team = (Team)plForm.comboBox2.SelectedItem;

            db.Players.Add(player);
            db.SaveChanges();

            MessageBox.Show("Новый футболист добавлен");
        }
示例#2
0
        private void button2_Click(object sender, EventArgs e)
        {
            if (dataGridView1.SelectedRows.Count > 0)
            {
                int  index     = dataGridView1.SelectedRows[0].Index;
                int  id        = 0;
                bool converted = Int32.TryParse(dataGridView1[0, index].Value.ToString(), out id);
                if (converted == false)
                {
                    return;
                }

                Player player = db.Players.Find(id);

                PlayerForm plForm = new PlayerForm();
                plForm.numericUpDown1.Value   = player.Age;
                plForm.comboBox1.SelectedItem = player.Position;
                plForm.textBox1.Text          = player.Name;

                List <Team> teams = db.Teams.ToList();
                plForm.comboBox2.DataSource    = teams;
                plForm.comboBox2.ValueMember   = "Id";
                plForm.comboBox2.DisplayMember = "Name";

                if (player.Team != null)
                {
                    plForm.comboBox2.SelectedValue = player.Team.Id;
                }

                DialogResult result = plForm.ShowDialog(this);

                if (result == DialogResult.Cancel)
                {
                    return;
                }

                player.Age      = (int)plForm.numericUpDown1.Value;
                player.Name     = plForm.textBox1.Text;
                player.Position = plForm.comboBox1.SelectedItem.ToString();
                player.Team     = (Team)plForm.comboBox2.SelectedItem;

                db.Entry(player).State = EntityState.Modified;
                db.SaveChanges();

                MessageBox.Show("Объект обновлен");
            }
        }