private void btnSave_Click(object sender, EventArgs e) { DTO_Customer info = new DTO_Customer(); info.Id = Convert.ToInt32(txtId.Text); info.Fullname = txtFullname.Text; info.Address = txtAddress.Text; info.PhoneNumber = txtPhonenumber.Text; if (this.action == "edit") { bus.editItem(info); } foreach (DataGridViewRow row in dataGridView.SelectedRows) { this.index = row.Index; } GUI_Customer_Load(sender, e); endableAll(true); dataGridView.CurrentCell = dataGridView.Rows[this.index].Cells[0]; }