private void DelUsers_Click(object sender, EventArgs e) { var c = dataGridView1.SelectedCells; int idrow; if (c.Count == 0) { return; } idrow = c[0].RowIndex; var s = dataGridView1.Rows[idrow]; var dels = (int)s.Cells[0].Value; BD.Silantev_StudBDEntities entities = new BD.Silantev_StudBDEntities(); BD.Studs dt = entities.Studs.Find(dels); entities.Studs.Remove(dt); entities.SaveChanges(); MessageBox.Show("Ученик удалён!"); }
private void StartBut_Click(object sender, EventArgs e) { #region Test BD.Silantev_StudBDEntities entities = new BD.Silantev_StudBDEntities(); //var s = entities.Studs.ToList(); //MessageBox.Show(s[16].UserName); #endregion BD.Studs studs = new BD.Studs(); studs.UserName = LogText.Text; studs.UserSurName = PasText.Text; var GR = comboBox1.SelectedItem as BD.Groups; studs.IdGr = GR.IdGr; entities.Studs.Add(studs); entities.SaveChanges(); MessageBox.Show("Ученик добавлен!"); }
private void button1_Click(object sender, EventArgs e) { BD.Silantev_StudBDEntities entities = new BD.Silantev_StudBDEntities(); BD.Groups groups = new BD.Groups(); groups.GroupName = textBox1.Text; entities.Groups.Add(groups); entities.SaveChanges(); MessageBox.Show("Группа добавлена!"); }