StringHandler 转换封面图片 截取字符串

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

/// <summary>
///StringHandler 的摘要说明
/// </summary>
public class StringHandler
{
    /// <summary>
    /// 转换封面图片路径
    /// </summary>
    /// <param name="isbn">isbn号</param>
    /// <returns>图片路径</returns>
    public static String CoverURL(object isbn)
    {
        return "BookCovers/"
            + isbn.ToString().Trim() + ".jpg";
    }
    /// <summary>
    /// 截取字符串
    /// </summary>
    /// <param name="content">文本</param>
    /// <param name="num">最大值</param>
    /// <returns>截取后的字符串</returns>
    public static String CutString(object content, int num)
    {
        if (content.ToString().Length > num)
        {
            return content.ToString().Substring(0, num) + "...";
        }

        return content.ToString();
    }
}

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  <img width="150" height="188"
                         src='<%# StringHandler.CoverURL(Eval("ISBN")) %>' alt="" />

 

    Text='<%# StringHandler.CutString(Eval("AurhorDescription"),120) %>'
                  ToolTip='<%#Eval("AurhorDescription") %>' ></asp:Label>

——————————————————————————

 <a href='<%#Eval("id") %>'> <%# Eval("New_Content").ToString().Length > 40 ? Eval("New_Content").ToString().Substring(0, 40)+"....." : Eval("New_Content") %></a>

 多出隐藏

<div style="width:200px; white-space:nowrap;overflow:hidden;text-overflow:ellipsis; border:1px solid #336699">试试看，前面一段我知道，加上...倒还真的不知道，看看效果</div>