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!");
}
public Form1()
{
InitializeComponent();
BD.Silantev_StudBDEntities entities = new BD.Silantev_StudBDEntities();
comboBox1.DataSource = entities.Groups.ToList();
}
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!");
}