下一条

来源：互联网发布：2017年餐饮业数据分析编辑：程序博客网时间：2024/06/12 00:57

#region 上一条下一条
/// <summary>
/// 上一条下一条
/// </summary>
/// <param name="replaceHtml">要替换的字符串</param>
/// <param name="id">id</param>
/// <param name="ds">所在数据集</param>
/// <param name="channel1">类别实体</param>
/// <returns>返回结果的字符串</returns>
public static string PerOrNext(string replaceHtml, int id, DataSet ds, DtCms.Model.Channel channel1)
{
//设置datatable的主键值
DataColumn[] dcs = { ds.Tables[0].Columns["Id"] };
ds.Tables[0].PrimaryKey = dcs;

//当前id所在datatable中的索引
int j = ds.Tables[0].Rows.IndexOf(ds.Tables[0].Rows.Find(id));

//上一章
if (j - 1 < 0)
{
replaceHtml = replaceHtml.Replace("@PerTitle@", "没有上一条");
replaceHtml = replaceHtml.Replace("@PerHref@", "javascript:void(0)");
}
else
{
replaceHtml = replaceHtml.Replace("@PerTitle@", ds.Tables[0].Rows[j - 1]["Title"] != null ? ds.Tables[0].Rows[j - 1]["Title"].ToString() : "");
replaceHtml = replaceHtml.Replace("@PerHref@", "/" + channel1.WebPath + ds.Tables[0].Rows[j - 1]["Id"] != null ? ds.Tables[0].Rows[j - 1]["Id"].ToString() : "");
}

//下一条
if (j < ds.Tables[0].Rows.Count - 1)
{
replaceHtml = replaceHtml.Replace("@NextTitle@", ds.Tables[0].Rows[j + 1]["Title"] != null ? ds.Tables[0].Rows[j + 1]["Title"].ToString() : "");
replaceHtml = replaceHtml.Replace("@NextHref@", "/" + channel1.WebPath + ds.Tables[0].Rows[j + 1]["Id"] != null ? ds.Tables[0].Rows[j + 1]["Id"].ToString() : "");
}
else
{
replaceHtml = replaceHtml.Replace("@NextTitle@", "没有下一条");
replaceHtml = replaceHtml.Replace("@NextHref@", "javascript:void(0)");
}

return replaceHtml;

}

#endregion

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