ScheduleWorks.UI.AddOrEditClassForm.AddOrEditClassForm C# (CSharp) Method

        public AddOrEditClassForm(DBManager dbManag)
        {
            InitializeComponent();
            mDBManager = dbManag;

            this.Text = FormTitles.ClassForm.Add;
            mFormState = FormState.AddingNew;

            RadListDataItem dropDownItem = new RadListDataItem("1");
            dropDownItem.Value = 1;
            dropDownItem.Selected = true;
            gradeDropdownlist.Items.Add(dropDownItem);
            for (int i = 2; i <= 12; ++i)
            {
                dropDownItem = new RadListDataItem(i.ToString());
                dropDownItem.Value = i;
                gradeDropdownlist.Items.Add(dropDownItem);
            }

            importTeachersFromTheDatabase();

            changingHeadteacherReadyButton.Visible = false;
            teachersDropdownlist.Visible = false;

            changeHeadTeacherButton.Visible = false;
            changingHeadteacherReadyButton.Visible = true;
            teachersDropdownlist.Visible = true;

            colorPanel.BackColor = RandomColor.GetRandomColor();

            gradeDropdownlist.DropDownStyle = RadDropDownStyle.DropDownList;
            teachersDropdownlist.DropDownStyle = RadDropDownStyle.DropDownList;
        }