private void button4_Click(object sender, EventArgs e)
{
List <s_students> q = (from stud in db.s_students
select stud).ToList();
if (dataGridView1.SelectedCells.Count == 1)
{
if (Application.OpenForms.Count == 2)
{
s_students students = q.First(c => c.id.ToString() == dataGridView1.SelectedCells[0]
.OwningRow.Cells[0].Value.ToString());
EditStudentForm formEditStudent = new EditStudentForm(students);
formEditStudent.Owner = this;
formEditStudent.Show();
}
}
}
public EditStudentForm(s_students stud)
{
st = stud;
InitializeComponent();
var groups = (from g in db.s_in_group
select g.id_group).Distinct();
foreach (int it in groups)
{
comboBox1.Items.Add(it);
}
textBox1.Text = st.surname.ToString();
textBox2.Text = st.name.ToString();
textBox3.Text = st.middlename.ToString();
var query1 = (from g in db.s_in_group
where g.id_group == st.id_group
select g.group_num).ToList();
comboBox1.SelectedItem = query1[0];
}