private void AddButton_Click(object sender, EventArgs e)
        {
            formDTO.contex = dataFormDTO.db;
            formDTO.op     = CrudOpr.Create;
            formDTO.obj    = null;
            CreateUpdateScientistForm form = new CreateUpdateScientistForm(this, formDTO);

            form.Show();
        }
        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            int id = Convert.ToInt32(dataGridView1.CurrentRow.Cells["scientistIdDataGridViewTextBoxColumn"].Value);

            // updating
            if (e.ColumnIndex == 6)
            {
                formDTO.op = CrudOpr.Update;

                ViewScientist findScientist = dataFormDTO.db.ViewScientists.SingleOrDefault(o => o.scientistId == id);
                formDTO.obj = findScientist;

                CreateUpdateScientistForm form = new CreateUpdateScientistForm(this, formDTO);
                form.Show();

                dataGridView1.DataSource = dataFormDTO.db.ViewScientists.ToList();
            }

            // deleting
            if (e.ColumnIndex == 7)
            {
                // Запрашиваем подтверждение
                string message = "Do you want to delete?";
                string caption = "Y/n";
                var    result  = MessageBox.Show(message, caption,
                                                 MessageBoxButtons.YesNo,
                                                 MessageBoxIcon.Question);
                if (result == DialogResult.Yes)
                {
                    scientist s = new scientist();
                    s.scientistId = id;
                    // deleting
                    if (crud.delete(s))
                    {
                        MessageBox.Show("Scientist was deleted!");
                        resetData();
                    }
                    else
                    {
                        MessageBox.Show("Deleting was denied");
                    }
                }
            }
        }