// Сохранить отчет о проведенном занятии
public static void SendPeriodReport(string Activity, string Group, DateTime Date, string TimeBegin, int Duration, string Commentary, DataGridView AttendanceTable)
{
Dictionary <int, int> AttendanceInfo = new Dictionary <int, int>();
for (int i = 0; i < AttendanceTable.RowCount; i++)
{
AttendanceInfo.Add(Int32.Parse(AttendanceTable.Rows[i].Cells[3].Value.ToString()), Convert.ToInt32(Convert.ToBoolean(AttendanceTable.Rows[i].Cells[2].Value)));
}
DBOperations.WriteAttendance(DBOperations.WritePeriod(CurrentUser, Activity, Group, Date, TimeBegin, Duration, Commentary), AttendanceInfo);
}
