protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            ddlEvent.DataSource     = DALPortal.DSLEventsAll();
            ddlEvent.DataValueField = "EventID";
            ddlEvent.DataTextField  = "EventName";
            ddlEvent.DataBind();

            ddlTeam.DataSource     = DALPortal.DSLTeamAll();
            ddlTeam.DataValueField = "TeamID";
            ddlTeam.DataTextField  = "TeamName";
            ddlTeam.DataBind();
            btnBack.Attributes.Add("onclick", "history.back(); return false");
        }
        this.BindEventScheduleList();
    }