• .net不熟悉代码



    ---------------------------------------------------------
    直接取字符串的前14个字符,AEECSS不能用substring
    select case when len(a.newstitle)>14 then substring( a.newstitle ,0,14) else a.newstitle end  as NewsTitle,a.newstitle as NewsToolTips,b.subjectmoduleid as moduleid,c.SubjectID,d.TemplateID from t_article a inner join t_articlesubject b on a.newsid=b.articleid inner join t_subjectmodule  c on b.subjectmoduleid=c.moduleid inner join t_subject d on c.subjectid=d.subjectid

    ---------------------------------------------------------
    <%# DataBinder.Eval(Container.DataItem,"Date","发布时间:{0:yyyy-MM-dd hh:mm}"%>

    ---------------------------------------------------------
     <appSettings>
      <add key="ConnectionString" value="server=192.168.0.1;Integrated Security=false;user   id=sa;password=;database=Archives" />
     </appSettings>

    ---------------------------------------------------------
    select @OutID=@@IDENTITY
    ---------------------------------------------------------
    SELECT a.NewsID,f.articletypename as type2,e.articletypename as grandgrandmother,d.articletypename as granther,c.articletypename as ParentName ,a.NewsTitle,a.NewsAuthor,a.NewsFrom,b.ArticleTypeName,a.NewsForeWord,a.NewsTop,a.NewsNew, a.ClickNum,a.Filltime,a.NewsContent,a.NewsPic,a.IsCheck,a.OrgID,a.DoTypeID,a.MainTypeNum,a.NewsOrder
    from t_article a
    left join t_articletype b on a.articletypenum=b.articletypenum
    left join t_articletype c on b.parentnum=c.articletypenum
    left join t_articletype d on c.parentnum=d.articletypenum
    left join t_articletype e on d.parentnum=e.articletypenum
    left join t_articletype f on a.dotypeid=f.articletypenum
    where rtrim(a.orgid)<>''and a.dotypeid<> '' and a.ischeck=1
    order by a.NewsTop desc,a.NewsNew desc,a.filltime desc
    ---------------------------------------------------------

    <%# DataBinder.Eval(Container.DataItem,"ID")%>

    SqlConnection conn = new SqlConnection(ConfigurationSettings.AppSettings["ConnectionString"]);

    ---------------------------------------------------------

    Regex.Split(rd["FieldValue"].ToString(),",,",RegexOptions.IgnoreCase);
    ---------------------------------------------------------
    从RGB中取得颜色
    System.Drawing.Color errorcolor = ColorTranslator.FromHtml("#F7CFB5");

    利用正则表达式来验证字符串
    //是否数字
      public bool IsWholeNumber(String strNumber)
      {
       Regex objNotWholePattern=new Regex("[^0-9]");
       return !objNotWholePattern.IsMatch(strNumber);
      }

    //是否为邮件
      public bool IsEmail(String strNumber)
      {
       Regex objNotWholePattern=new Regex(@"\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*");
       return objNotWholePattern.IsMatch(strNumber);
      }

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  • 原文地址:https://www.cnblogs.com/King0502/p/2019393.html
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