private void GetTimetable_Click(object sender, EventArgs e)
        {
            Teachers = new List <string>();
            ExcelPackage   TeachBook  = new ExcelPackage(new FileInfo(TeachPath));
            ExcelWorksheet TeachSheet = TeachBook.Workbook.Worksheets[1];

            for (int i = 1; i < TeachSheet.Dimension.Rows; i++)
            {
                if (!Teachers.Contains(TeachSheet.Cells[i + 1, 1].Text))
                {
                    Teachers.Add(TeachSheet.Cells[i + 1, 1].Text);
                }
            }
            TeachBook.Dispose();
            List <String> files = new List <string>();

            foreach (Control gl in CPG_Selected.Controls)
            {
                if (!files.Contains(gl.Tag.ToString()))
                {
                    files.Add(gl.Tag.ToString());
                }
            }
            Groups = new DataStorage();
            foreach (String str in files)
            {
                LogText($"Получение расписаний из {str}");
                SrcBook  = new ExcelPackage(new FileInfo(str));
                SrcSheet = SrcBook.Workbook.Worksheets[1];
                foreach (Control grlabel in CPG_Selected.Controls)
                {
                    LogText($"Получение расписания для {grlabel.Text}");
                    var cells = SrcSheet.Cells[2, 1, 2, SrcSheet.Dimension.Columns].Where(a => a.Text == grlabel.Text).ToList();
                    if (cells.Count == 1)
                    {
                        Int32 cellcol = cells[0].Start.Column;
                        Groups.AddGroup(grlabel.Text);
                        Groups.AddWeek(grlabel.Text);
                        Groups.AddWeek(grlabel.Text);
                        for (int i = 0; i < 6; i++)
                        {
                            Groups.AddDay(grlabel.Text, 0);
                            Groups.AddDay(grlabel.Text, 1);
                            for (int j = 0; j < 12; j++)
                            {
                                Groups.AddLesson(grlabel.Text, j % 2, i,
                                                 SrcSheet.Cells[12 * i + 4 + j, 0 + cellcol].Text,
                                                 String.Concat(SrcSheet.Cells[12 * i + 4 + j, 1 + cellcol].Text.Split('\n')),
                                                 ReplaceTeacher(SrcSheet.Cells[12 * i + 4 + j, 2 + cellcol].Text),
                                                 SrcSheet.Cells[12 * i + 4 + j, 3 + cellcol].Text
                                                 );

                                /*Groups[Groups.GroupCount-1][j%2,i].AddLesson(
                                 *  SrcSheet.Cells[12 * i + 4 + j, 0 + cellcol].Text,
                                 *  String.Concat(SrcSheet.Cells[12 * i + 4 + j, 1 + cellcol].Text.Split('\n')),
                                 *  ReplaceTeacher(SrcSheet.Cells[12 * i + 4 + j, 2 + cellcol].Text),
                                 *  SrcSheet.Cells[12 * i + 4 + j, 3 + cellcol].Text
                                 * );*/
                            }
                        }
                    }
                }
                SrcBook.Dispose();
                Groups.RemoveBlankLessons();
                Groups.RemoveBlankDays();
            }
            WriteTimetable();
        }