public void DelColumn()
 {
     string _idlist = Parameters["pparm"];
     PortalChildColumnBiz biz = new PortalChildColumnBiz();
     ErrorEntity ErrInfo = new ErrorEntity();
     PortalChildColumnContentBiz ccbiz = new PortalChildColumnContentBiz();
     NameValueCollection where = new NameValueCollection();
     where.Add("condition","FChildColumnId in (" + _idlist + ")");
     ccbiz.Delete(where, out ErrInfo);
     if (ErrInfo.ErrorCode == RespCode.Success)
     {
         biz.Delete(_idlist, out ErrInfo);
     }
     Response.Write(ErrInfo.ToJson());
 }