protected void btnCreateClass_Click(object sender, EventArgs e)
        {
            string teachID = drpSelectTeacher.Text;
            string clsSubj = classSubjectIn.Text;
            string clsYea  = classYearGroupIn.Text;
            //string clsName = clsSubj.Substring(0, 3).ToUpper() + clsYea;

            bool validate = false;

            validate = inputChecker(validate);


            if (validate == true)
            {
                string clsSubject = clsSubj.Substring(0, 1).ToUpper() + clsSubj.Substring(1, clsSubj.Length - 1).ToLower();

                //year will always be 2 chars
                if (clsYea.Length == 1)
                {
                    clsYea = "0" + clsYea;
                }

                Teacher teach = new Teacher();
                teach = teach.readSingleTeacher(teachID);
                string tInitials = teach.teacherFirstname.Substring(0, 1).ToUpper() + teach.teacherLastname.Substring(0, 1).ToUpper();
                string className = clsSubj.Substring(0, 3).ToUpper() + clsYea + tInitials;

                //if class name exists + 1
                string cName = checkUniqueName(className);

                SchoolClass cls = new SchoolClass(teachID, clsSubject, clsYea, cName);
                cls.createSchoolClass();


                clearInputs();
                lblErrorMessage.Visible   = false;
                divErrorMessage.Visible   = false;
                lblSuccessMessage.Visible = true;
                divSuccessMessage.Visible = true;
            }
            else
            {
                lblErrorMessage.Visible   = true;
                divErrorMessage.Visible   = true;
                lblSuccessMessage.Visible = false;
                divSuccessMessage.Visible = false;
            }
        }