public int GetLikeNum()
 {
     return(LikesDt.Select("MsgID=" + Eval("ID").ToString().Trim('-') + " AND Source='" + Eval("Source") + "'").Length);
 }
 public string IsShowLike()
 {
     return(LikesDt.Select("MsgID=" + Eval("ID").ToString().Trim('-') + " AND Source='" + Eval("Source") + "'").Length > 0 ? "" : "display:none;");
 }