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//tmpID 分别为0,1,2,3表示第一篇,上一篇,下一篇,最后篇
//currentID 为当前文章的ID
switch (tmpID)
{
case 0:
sql = "select top 1 * from V_RdRecord order by ID asc";
break;
case 1:
if (currentID != null)
sql = "select top 1 * from V_RdRecord where ID<" + currentID + " order by ID desc";
else
sql = "select top 1 * from V_RdRecord order by ID asc";
break;
case 2:
if (currentID != null)
sql = "select top 1 * from V_RdRecord where ID>" + currentID + " order by ID asc";
else
sql = "select top 1 * from V_RdRecord order by ID desc";
break;
case 3:
sql = "select top 1 * from V_RdRecord order by ID desc";
break;
}