public MainTeacherForm(string id, string sqlconnstring)
{
InitializeComponent();
SQLConnections.Init(sqlconnstring);
MainForm = this;
// Group buttons
this.buttons = new List <ButtonBase>();
this.buttons.Add(btnExam);
this.buttons.Add(btnClass);
this.buttons.Add(btnReport);
this.setBold(btnExam);
this.TeacherID = id;
this.Teacher = SQLConnections.QueryTeacher(id);
// Change title
this.Text = Teacher.ID + " - GV " + Teacher.Name;
// Change ExamUserControl
this.examUC.labelCurrentExams.Text = SQLConnections.QueryCurrentExamAmount(id) + "";
// Load Classes
this.LoadClasses();
}