protected void Page_Load(object sender, EventArgs e)
    {
        if (SessionManager.GetCurrentUser().EmployeeType != Entities.EmplpyeeType.INTERPRETER)
        {
            Response.Redirect("Default.aspx");
        }

        string v = Request.QueryString["room"];

        if (v != null)
        {
            hdnRoomId.Value = v;
        }
        hdnSource.Value = SessionManager.GetCurrentUser().EmployeId.ToString();


        if (!IsPostBack)
        {
            List <shift> myShifts = ShiftController.getShiftByUserName(SessionManager.GetCurrentUser().EmployeId);
            gvmyShifts.DataSource = myShifts;
            gvmyShifts.DataBind();
        }
    }