private void AddSpecificYearToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var selectYearDialog = new SelectYearForm();

            if (selectYearDialog.ShowDialog() == DialogResult.OK)
            {
                int selectedYear = selectYearDialog.Year;

                using (var db = new FeeStatusesDBContext())
                {
                    if (db.Member.Any(m => m.MustPay && m.FeeLogs.Any(fl => fl.Year == selectedYear)))
                    {
                        MessageBox.Show(
                            string.Format(WindowMessages.RECORDS_FOR_YEAR_EXIST_MSG, selectedYear),
                            WindowMessages.RECORDS_FOR_YEAR_EXIST_TITLE, MessageBoxButtons.OK
                            );
                        return;
                    }
                }

                SaveChanges(true);

                using (var db = new FeeStatusesDBContext())
                {
                    if (!db.Member.Where(m => m.MustPay).All(m => m.FeeLogs.Any(fl => fl.Year == selectedYear)))
                    {
                        db.Member.ToList().ForEach(m => m.AddDefaultFeeLogForYear(selectedYear));
                        db.SaveChanges();
                    }
                }

                BindPaymentsDataGridView(onlyMustPayers, includeDeleted);
                ScrollHorizontallyToEnd();
            }
        }
        private void PrepareDataForSelectedYearToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var selectYear = new SelectYearForm();

            if (selectYear.ShowDialog() == DialogResult.OK)
            {
                InitializeDataGridView(selectYear.Year, false);
            }
        }