//获取头部广告图
private void GetBannerList()
{
string sql = "SELECT top 8 ImageUrl,Url FROM dbo.MVipBanner with(nolock) WHERE LocationType=1 and isshow = 1 order by DisplaySequence ASC,AddDate DESC";
var para = new Dapper.DynamicParameters();
BannerList = PublicConn.QueryVipBySql <MVipBanner>(sql, ref para);
}