//实体类
public class SummaryWord
{
        public SummaryWord(int sumId, string sumName, Int16 type)
        {
            SumId = sumId;
            SumName = SumName;
            Type = type;
        }

        public int SumId { get; set; }
        public string SumName { get; set; }
        public Int16 Type { get; set; }
}

protected string LinqSample()
{
    StringBuilder html = new StringBuilder();
    List<SummaryWord> list = new List<SummaryWord>();
    list.Add(new SummaryWord(1, "速度快", 1));
    list.Add(new SummaryWord(2, "大气漂亮", 1));
    list.Add(new SummaryWord(3, "电池不够用", 2));
    
    var query = from a in list
                where (a.Type == 1)
                select a;
    var queryList = query.ToList();
    foreach (var obj in queryList)
    {
        html.AppendLine("" + obj.SumName);
    }
    return html.ToString();
}

    <div>
        <%=LinqSample()%>
    </div>