private void DeletSweetnessTypeButton_Click(object sender, EventArgs e)
{
var selectedRows = SweetnessTable.SelectedRows;
foreach (DataGridViewRow row in selectedRows)
{
int id = Convert.ToInt32(row.Cells[0].Value);
SweetnessManager.DeleteData(id);
SweetnessDegree local = SweetnessList.Find(x => x.Id == id);
SweetnessList.Remove(local);
}
UpdateSweetnessTypeTable();
}
