protected void UpdateParking_SelectedIndexChange(object sender, EventArgs e)
 {
     ReportBusiness rb = new ReportBusiness();
     Session["REPORTLIST"] = rb.getUsersAndProfesors(Int32.Parse(DropDownListYearReport.SelectedValue));
 }
 protected void Page_Load(object sender, EventArgs e)
 {
     FillDropDownListYearReport();
     ReportBusiness rb = new ReportBusiness();
     Session["REPORTLIST"] = rb.getUsersAndProfesors(2015);
 }